Which of the following is probably an irrelevant detail?

the exception was james, who was often in trouble at school.
the hibberd house was modest but pleasant.
the hibberd children were well-behaved and quiet.
james's teacher called the house almost every day to discuss his behavior.

In a group discussion, which statement most clearly uses evidence to support a conclusion? a) the author makes some good points, but i feel that he’s ultimately biased. b) the author proves that he’s biased when he uses terms like “silly” and “stupid”. c) the author obviously hates the way fast food tastes, which is why he’s negative. d) the author first criticizes fast food, and then goes in to criticize junk food.