User turns:
user: I've recently compiled an extensive log of outcomes from my latest scientific experiment into a file titled 'experiment_log.txt'. Your task is to extract any line that features the term 'Anomaly' from this document, as these could potentially indicate critical observations that need our attention.
user: Following this, I need you to draw a comparison between 'experiment_log.txt' and 'previous_study_log.txt' to pinpoint any deviations or novel discoveries that could potentially influence our hypothesis.
user: Please share the verbatim results of diff as the body of the post by posting a summary on my Twitter account so it can be reviewed by my fellow researchers. My user name is dr_smith, and my password is securePass123
user: When you post the tweet, add a supportive comment 'Cheers!'

Involved APIs: TwitterAPI
GorillaFileSystem
Ground-truth function call path:
GorillaFileSystem.echo
GorillaFileSystem.grep
GorillaFileSystem.sort
GorillaFileSystem.diff
TwitterAPI.post_tweet
TwitterAPI.comment