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.

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