premise: Building a deck<br>Shirley wanted to add a deck to the back of her house. She asked all of her friends to come over and help. In exchange she was going to have a cook-out for them. She bought all the materials for the day. However it rained and the deck was not built.
hypothesis: The rain made them have to change plans.
reason: Because of the rain they changed their plans and didn't build the deck. 