Read the following paragraph and decide which sentence does not support the main idea. (A) Making fish ice cream is easy if you follow a few simple directions. (B) First, cut or grind a white fish into small bits. (C)After mixing it with the usual ingredients, such as sugar and cream, put everything into an ice-cream maker.(D) It takes longer to solidify than other ice creams.(E) And fish ice cream is really cheap to make.(F) However, when you finish, you have a delightfully surprising desert.

1. A
2. B
3. C
4. D
5. E
6. F