Q: In this task, you're given a context passage, followed by a question that needs to be answered. Based on the paragraph, you must write unambiguous answers to the questions and your answer must refer to a specific phrase from the paragraph. If multiple answers seem to exist, write the answer that is the most plausible.
Cate arrived home from Sydney late last night totally exhausted . WYD week had been absolutely full on . She did enjoy herself , thought was more than happy to come home as she said she was sick of the crowds of people by the end of the week , wanted her own space again , and was pleased to be going back to school this morning for a rest lol .
Question: What may have caused Cate to arrive home exhausted ?
A:
She finished travelling .