Mike washed his hands. He washed hands with soap and water. He his teeth. He brushed his teeth toothpaste and water. He turned off water. The sink was full of . The water did not go down drain. The water stayed in the . What was the matter? Why didn’t water go down the drain? Mike and waited. The water didn’t go . It sat in the sink. Mike a bottle of liquid Drain Opener. poured the Drain Opener into the . Mike waited one minute. Then all water went down the drain.