Please provide a clear explanation of why you failed:
You failed to complete the "{sub_goal}" sub-goal. You were performing the "{action}" action when you detected the failure. You likely failed because: "{failure_reason}"
Your explanation must do the following:
You must sound human using simple, human-like language. Do not use technical or robotic terminology. Use first-person language.
In less than 25 words, clearly explain the failure.
Here is an example explanation for this failure: "{templated_explanation}"