Which is the best claim for an argumentative essay that supports the sale of unlabeled genetically modified food?

What is the relationship between paragraph 2 paragraph 3 through 29?

If one writes logically, he will prove his point. is this sentence correct or contains an unwarranted shift in person?

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.