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 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. Fact 7- Daniel journeyed to the hallway. Fact 8- Sandra journeyed to the garden. Fact 9- John went back to the hallway. Fact 10- Mary travelled to the office. Question: Where is John? Answer: hallway

Ex Output:
Fact 9


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. Fact 7- Mary went to the garden. Fact 8- Sandra moved to the bedroom. Question: Where is Mary? Answer: garden

Ex Output:
Fact 7


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

Ex Output:

Fact 4