Question:
Choose your answer: Is "Freight elevators are typically larger and capable of carrying heavier loads than a passenger elevator, generally from 2,300 to 4,500 kg." a good answer to the question "How do freight elevators differ from passenger elevators?"
Answer:
yes

Question:
Choose your answer: Is "The current mayor of Houston is Sylvester Turner, a Democrat elected on a nonpartisan ballot." a good answer to the question "Who is the current mayor of Houston?"
Answer:
yes

Question:
Choose your answer: Is "Videophone calls (also: videocalls, video chat as well as Skype and Skyping in verb form), differ from videoconferencing in that they expect to serve individuals, not groups." a good answer to the question "What is an example of a videophone call program?"
Answer:
yes