diff --git a/action.yml b/action.yml
index 1d53ee7..656dc7d 100644
--- a/action.yml
+++ b/action.yml
@@ -29,20 +29,53 @@ runs:
       env:
         OPENAI_API_KEY: ${{ inputs.openai_api_key }}
         GITHUB_TOKEN: ${{ inputs.github_token }}
-        PRNUM: ${{ github.event.number }} 
       with:
           script: |
             const { default: explainPatch } = await import('${{ github.action_path }}/src/openaiExplainPatch.js')
 
-            const watermark = `\n\nWatermark: puLL-Merge - ${process.env.GITHUB_REPOSITORY}@${process.env.PRNUM}`
+            const watermark = `[puLL-Merge] - ${process.env.GITHUB_REPOSITORY}@${context.issue.number}`
 
-            var patchExplained = await explainPatch({
+            const patchExplained = watermark+"\n\n"+(await explainPatch({
               openaiKey: process.env.OPENAI_API_KEY,
               github: github,
-              repo: process.env.GITHUB_REPOSITORY,
-              prnum: process.env.PRNUM});
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              prnum: context.issue.number }));
+
+            var query = `query($owner:String!, $name:String!, $prnumber:Int!) { 
+              repository(owner:$owner, name:$name) { 
+                pullRequest(number:$prnumber) {
+                  comments(last: 100) {
+                    nodes {
+                      author { login }
+                      body
+                      bodyHTML
+                      bodyText
+                    }
+                  }
+                }
+              }
+            }`;
+            const variables = {
+              owner: context.repo.owner,
+              name: context.repo.repo,
+              prnumber: context.issue.number
+            }
+            const messages = (await github.graphql(query, variables)).repository.pullRequest.comments.nodes;
 
-            patchExplained += watermark;
+            for (var i = 0; i < messages.length; i++) {
+              if (messages[i].body.includes(watermark)) {
+                console.log(messages[i])
+                /*await github.request('DELETE /repos/{owner}/{repo}/issues/comments/{comment_id}', {
+                  owner: context.repo.owner,
+                  repo: context.repo.repo,
+                  comment_id: 'COMMENT_ID',
+                  headers: {
+                    'X-GitHub-Api-Version': '2022-11-28'
+                  }
+                })*/
+              }
+            }
 
             github.rest.issues.createComment({
               owner: context.repo.owner,
diff --git a/src/openaiExplainPatch.js b/src/openaiExplainPatch.js
index 365bd59..5fff0fa 100644
--- a/src/openaiExplainPatch.js
+++ b/src/openaiExplainPatch.js
@@ -1,6 +1,6 @@
 import OpenAI from "openai";
 
-export default async function explainPatch({openaiKey, repo, prnum,
+export default async function explainPatch({openaiKey, owner, repo, prnum,
   githubToken=null, 
   github=null,
   model="gpt-3.5-turbo-16k",
@@ -21,11 +21,9 @@ export default async function explainPatch({openaiKey, repo, prnum,
     github = new Octokit({auth: githubToken})
   }
 
-  const [owner, reponame] = repo.split('/');
-
   const {data: patchBody} = await github.request('GET /repos/{owner}/{repo}/pulls/{pull_number}', {
     owner: owner,
-    repo: reponame,
+    repo: repo,
     pull_number: prnum,
     headers: {
       'X-GitHub-Api-Version': '2022-11-28'
@@ -35,7 +33,7 @@ export default async function explainPatch({openaiKey, repo, prnum,
     },
   })
 
-  return patchBody;
+  return "ANTANI";
 
   const aiResponse = await openai.chat.completions.create({
     model: model,