Multi-turn user requests:
user: Go to a specific folder in CWD. Next, from the first document in current folder. What does the last line look like?
user: The folder you need to go to is 'documents'.
user: Write the difference of the first two file into a new file call file5.txt.

Ground-truth function call sequence:
GorillaFileSystem.ls
GorillaFileSystem.cat
GorillaFileSystem.sort
GorillaFileSystem.diff
TwitterAPI.post_tweet