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.

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

Ex Output:
Fact 6


Ex Input:
Passage: Fact 1- John travelled to the bedroom. Fact 2- Mary moved to the bedroom. Fact 3- John went back to the bathroom. Fact 4- Sandra moved to the bathroom. Fact 5- John journeyed to the office. Fact 6- Daniel journeyed to the office. Question: Where is Sandra? Answer: bathroom

Ex Output:
Fact 4


Ex Input:
Passage: Fact 1- Mary travelled to the kitchen. Fact 2- Mary moved to the hallway. Fact 3- John went to the office. Fact 4- John went back to the garden. Fact 5- John moved to the hallway. Fact 6- Sandra travelled to the hallway. Fact 7- Mary moved to the garden. Fact 8- Daniel journeyed to the hallway. Fact 9- Daniel went to the bedroom. Fact 10- Mary travelled to the bedroom. Question: Where is Sandra? Answer: hallway

Ex Output:

Fact 6