Problem: Does "Large, powerful, but slow-responding servo loops may use conventional AC or DC motors and drive systems with position or speed feedback on the motor." answer the question "What may servo motors be used for?"

A: no

Problem: Does "As it pushed upward, the salt dragged surrounding sediments into salt dome formations, often trapping oil and gas that seeped from the surrounding porous sands." answer the question "What is halite?"

A: no

Problem: Does "Its early beginnings were on the sugar cane plantations during the colonial period." answer the question "Where did the festival in Barbados originate from?"

A:
yes