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.
Input: Passage: Fact 1- John went back to the kitchen. Fact 2- John moved to the office. Fact 3- John journeyed to the garden. Fact 4- Sandra journeyed to the bedroom. Fact 5- Mary went back to the garden. Fact 6- John journeyed to the bedroom. Fact 7- John went to the hallway. Fact 8- Sandra went back to the hallway. Question: Where is Sandra? Answer: hallway
Output:
Fact 8