Detailed Instructions: You will be given a passage with an enumerated set of facts, a question of form 'Where is <person_name>?', and its answer. The task is to identify a supporting fact that is necessary to answer the question. The output would be the corresponding fact number.
Problem:Passage: Fact 1- Mary went back to the office. Fact 2- John went back to the bathroom. Fact 3- John went to the hallway. Fact 4- Mary journeyed to the hallway. Fact 5- Sandra travelled to the hallway. Fact 6- Mary travelled to the office. Fact 7- Mary went back to the hallway. Fact 8- Sandra travelled to the office. Fact 9- John went to the kitchen. Fact 10- Sandra went to the hallway. Question: Where is Mary? Answer: hallway
Solution:
Fact 7