Task: Question Answering
Input (English): passage: The mahi-mahi (/ˈmɑːhiːˈmɑːhiː/) or common dolphinfish (Coryphaena hippurus) is a surface-dwelling ray-finned fish found in off-shore temperate, tropical, and subtropical waters worldwide. Also widely called dorado and dolphin, it is one of two members of the Coryphaenidae family, the other being the pompano dolphinfish.
 question: is mahi-mahi a type of dolphin?
Output (English): Yes