All mammals are warm-blooded. Therefore, if an animal is a mammal, it must be warm-blooded. Is this statement true or false?

A. TRUE

All triangles have three sides. Is this statement true or false?

A. TRUE

All triangles have three sides. Therefore, if a shape has three sides, it must be a triangle. Is this statement true or false?

B. FALSE

Every triangle has three sides. Is this statement true or false?

A. TRUE