Which ones are lophodont?

Which of the following teeth are lophodont ?

Which of the following teeth are lophodont

Which of the following teeth are lophodont

Which of the following teeth in elephant are lophodont

[A] : Elephants have lophodont type of teeth. [R]: There is an intricate folding of the enamel and dentine to form transverse ridges.

[A] : Elephants have lophodont type of teeth. [R]: There is an intricate folding of the enamel and dentine to form transverse ridges.

[A] : Elephants have lophodont type of teeth. [R]: There is an intricate folding of the enamel and dentine to form transverse ridges.

Which one is a colloid solution?