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

Ex Output:
Fact 7


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

Ex Output:
Fact 8


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

Ex Output:

Fact 7