prompt: I came home one day to find that my dog had eaten a sandwich I had taken home from lunch.  The odd thing is that it had been in a bookbag_comma_ and he had unzipped the bag to get to it.
utterance: I came home one day and found that my dog had unzipped my bookbag_comma_ gotten a sandwich I had forgotten I brought home from lunch_comma_ and opened the bag it was in without damaging it to eat it.