Which of the Following Sentences Expresses the Idea That Ketchup

Which of the following sentences expresses the idea that ketchup is made from tomatoes without asserting it?

A) Ketchup is made from tomatoes, a crop which originated in the Americas.
B) If ketchup is made from tomatoes, then it can be considered a fruit sauce.
C) Most people know that ketchup is made from tomatoes.
D) Since ketchup is made from tomatoes, it is easy to make.
E) Because ketchup is made from tomatoes, it is red.