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- Mary went to the bathroom. Fact 2- John went to the kitchen. Fact 3- Daniel moved to the office. Fact 4- Daniel moved to the bathroom. Fact 5- Sandra travelled to the bathroom. Fact 6- Mary travelled to the kitchen. Question: Where is John? Answer: kitchen

Ex Output:
Fact 2


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

Ex Output:
Fact 4


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

Ex Output:

Fact 7