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.
Example: Passage: Mary moved to the bathroom. John went to the hallway. Question: Where is Mary?
Example solution: bathroom
Example explanation: 'Mary moved to the bathroom.' is a supporting fact from which we can conclude that Mary is in bathroom.

Problem: Passage: Mary went back to the hallway. Daniel went back to the bedroom. Sandra moved to the bathroom. Sandra journeyed to the hallway. Mary went back to the bedroom. Mary went back to the garden. Sandra went back to the bathroom. John went to the office. Daniel travelled to the garden. Sandra travelled to the hallway. Question: Where is John?

Solution: office