4 a) Which paragraph (1-4): a) introduces the topic? b) gives the writer's opinion? c) gives the advantages with reasons/examples? d) gives the disadvantages with reasons/examples?

a) Paragraph 1 introduces the topic. b) Paragraph 4 gives the writer's opinion. c) Paragraph 2 gives the advantages with reasons/examples. d) Paragraph 3 gives the disadvantages with reasons/examples.