In this task you are given a short story and a question regarding that story. You must answer the question based on the events of the story. Try to use the same words in the story to answer each question. You should completely answer the question in a short answer. Do not include information that is unnecessary to answer the question.

[Q]: Robin tricked Doug into marrying her by getting pregnant. Doug divorced Robin because he loved Tracy. Tracy married Doug because they were in love. Doug found out that Tracy slept with Mr Washington. Mr Washington and Robin's baby died under mysterious circumstances.
Why did Robin trick Doug?
[A]: Doug divorced Robin because he loved Tracy. so Robin tricked Doug.

[Q]: Timmy turned eighteen and was very happy. He had always wanted a tattoo and now he was old enough. He chose a tattoo parlor and made an appointment. When he arrived, the artist was very nice. Timmy chose his tattoo and braced himself.
Why did Timmy choose his tattoo?
[A]: he had always wanted it.

[Q]: Sandy's mom packed her a ham sandwich for lunch again. Frannie had a cheese sandwich that looked much better. She offered to trade her sandwich for Frannie's. Frannie agreed and they swapped. The were both happy with the trade.
Why did She offer to trade her sandwich for Frannie 's?
[A]:
Frannie had a cheese sandwich that looked much better.