Detailed Instructions: You will be given a passage consisting of set of facts and a question as input. The task is to answer a question of form 'Where is <person_name>?' using one of the given facts to determine the latest location of the person. Answer should be a word/phrase describing the location from the supporting fact. Avoid answers that are incomplete or incorrect.
Q: Passage: Mary went to the kitchen. John travelled to the hallway. Sandra went back to the bedroom. John travelled to the kitchen. Mary went back to the garden. Mary travelled to the office. Question: Where is John?
A:
kitchen