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 journeyed to the hallway. Fact 2- John went back to the bathroom. Fact 3- John went back to the bedroom. Fact 4- Daniel travelled to the bedroom. Fact 5- Mary went to the garden. Fact 6- Daniel moved to the kitchen. Fact 7- Daniel went to the hallway. Fact 8- Mary journeyed to the kitchen. Fact 9- Daniel travelled to the kitchen. Fact 10- Mary went back to the hallway. Question: Where is Mary? Answer: hallway

Ex Output:
Fact 10


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

Ex Output:
Fact 3


Ex Input:
Passage: Fact 1- Sandra travelled to the kitchen. Fact 2- John journeyed to the bedroom. Question: Where is Sandra? Answer: kitchen

Ex Output:

Fact 1