Question: how can you run a bath

  Options: 
 A. Place soap in drain of the tub. Cut on warm and cold water of tub. Fill tub with 1/3 to 1/2 of water. Shut off water.
 B. Place tub stopper or close the drain of the tub. Cut on warm and cold water of tub. Fill tub with 1/3 to 1/2 of water. Shut off water.
Answer: B