instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'two elephants in the water in front of a waterfall'. How many words contain the letter 'x' in the sentence.
answer:
0


question:
Sentence: 'a man holding a tennis racquet on a tennis court'. How many words contain the letter 'w' in the sentence.
answer:
0


question:
Sentence: 'a very large carpeted bathroom with a step in tub'. How many words contain the letter 'a' in the sentence.
answer:

5