I do n't see how it could possibly be a better thing . And , it 's free ! At the Hayward ! Go and see it if you are in London , or if it is on tour near you ever .

Question: Why does the speaker recommend that people attend this event ?
Answer: They had a great time there and want to shareThey hate the event and want to warn othersThey are being paid to promote itThey are selling tickets to the event