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

A. TRUE

All birds have feathers. Therefore, if a creature is a bird, it must have feathers. Is this statement true or false?

A. TRUE

If all fruits contain seeds, then a tomato, which is classified as a fruit, must contain seeds. Is this statement true or false?

A. TRUE

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

A. TRUE