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- Mary travelled to the hallway. Fact 2- Mary moved to the garden. Fact 3- Sandra went to the kitchen. Fact 4- Sandra moved to the bathroom. Question: Where is Sandra? Answer: bathroom
Output:
Fact 4