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- John journeyed to the hallway. Fact 2- Daniel journeyed to the hallway. Fact 3- Daniel went to the office. Fact 4- Sandra moved to the bedroom. Question: Where is Sandra? Answer: bedroom

Ex Output:
Fact 4


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

Ex Output:
Fact 7


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

Ex Output:

Fact 6