All birds can fly. Is this statement true or false?

B. FALSE

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

A. TRUE

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

A. TRUE

All squares are rectangles. Therefore, if a shape is a square, it must also be a rectangle. Is this statement true or false?

A. TRUE

If all mammals are warm-blooded, then a dolphin, being a mammal, is warm-blooded. Is this statement true or false?

A. TRUE