TASK DEFINITION: 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.
PROBLEM: Passage: Fact 1- Sandra travelled to the hallway. Fact 2- John journeyed to the bathroom. Fact 3- John went to the garden. Fact 4- John went to the kitchen. Question: Where is John? Answer: kitchen

SOLUTION: Fact 4

PROBLEM: Passage: Fact 1- Sandra went back to the bedroom. Fact 2- Mary went back to the hallway. Question: Where is Mary? Answer: hallway

SOLUTION: Fact 2

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

SOLUTION:
Fact 9