Seymour is a supplier of custodial cleaning products. While negotiating a contract to sell a crate of floor wax, Seymour makes the statements below. Categorize each statement as (i) a pre-contractual representation, (ii) a mere opinion, (iii) a contractual term, or (iv) a collateral contract. Give reasons for your answers and describe the legal effect of each statement.

1. "This floor wax is the best made anywhere in the world."
2. "I personally truly believe this floor wax is the best made anywhere in the world."
3. "Studies have shown that this floor wax is the best made anywhere in the world."
4. "If, after trying this floor wax, you don't agree that it is unquestionably the best made anywhere in the world, I'll come and polish your floors myself for a month."
5. "If, after trying this floor wax, you don't agree that it is unquestionably the best made anywhere in the world, I'll eat my hat."