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.
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Question: Riley had their arms raised for most of the concert, but lowered them toward the end. 
Question: Why did Riley do this?

Answer: had lost the energy


Question: Austin served without pay because he really loved his country and wanted to help out. 
Question: What does Austin need to do before this?

Answer: Talk to someone about being a volunteer


Question: Friday morning I was surprised by Aubrey showing up in my office . She managed to keep this a secret and didn't accidentally tip me off nor did she resort to asking my adviser for a ride from the airport . Instead she figured out the bus system and got to UNC , where she manged to find the correct building ( without knowing the name of the building ) and then found my office buried deep in the basement . That woman is determined . 
Question: Why did Aubrey keep her visit a secret

Answer:
She wanted to surprise me