Context: Roland took the kids shopping for school supplies . He came back miserable that he had spent $ 100 . The kids wanted these fancy binders , and mechanical pencils , and Gary wanted a little white board to write his assignments on . Then he just bought erasers and notebooks and stuff .
Question: Why was Roland so upset ?
Option 0: Because the children had been hard to control while shopping
Option 1: Because while they were shopping , the kids had been unruly
Option 2: Because the kids had misbehaved in the store and knocked things over
Option 3: Because he had n't anticipated the extent of his kid 's demands
Answer: 3