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 moved to the office. Fact 2- Daniel went to the kitchen. Question: Where is Mary? Answer: office

Ex Output:
Fact 1


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

Ex Output:
Fact 8


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

Ex Output:

Fact 7