Context: I thought that was really nice of them to go through all that trouble to put all the information together for us . It was really sweet . After dinner they came back to the house to see the progress . It was the first time they had been there since construction started , so they had a lot to see .

Question: Why did they have dinner ?
Options:
0. Because that was really nice of them to go through all that trouble .
1. Because they were hungry .
2. Because they came back to the house to see the progress .
3. None of the above choices .
Answer: 1