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

Ex Output:
Fact 10


Ex Input:
Passage: Fact 1- Daniel moved to the bedroom. Fact 2- John went back to the garden. Fact 3- John travelled to the bathroom. Fact 4- John travelled to the garden. Question: Where is John? Answer: garden

Ex Output:
Fact 4


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

Ex Output:

Fact 10