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 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. Fact 9- Daniel went back to the hallway. Fact 10- John moved to the bedroom. Question: Where is Sandra? Answer: garden

Ex Output:
Fact 8


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

Ex Output:
Fact 6


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

Ex Output:

Fact 8