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: Consider Input: Passage: Fact 1- Sandra moved to the bedroom. Fact 2- Mary journeyed to the bedroom. Fact 3- Mary moved to the bathroom. Fact 4- Daniel travelled to the bedroom. Question: Where is Sandra? Answer: bedroom

Output: Fact 1


Input: Consider Input: Passage: Fact 1- John went back to the garden. Fact 2- Sandra went back to the bedroom. Question: Where is John? Answer: garden

Output: Fact 1


Input: Consider Input: Passage: Fact 1- Sandra went back to the kitchen. Fact 2- Sandra travelled to the bathroom. Fact 3- John travelled to the garden. Fact 4- Daniel moved to the hallway. Fact 5- John went to the kitchen. Fact 6- Daniel journeyed to the garden. Question: Where is Sandra? Answer: bathroom


Output: Fact 2