instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a stop light that is out on a pole'. How many words contain the letter 'z' in the sentence.
answer:
0

question:
Sentence: 'a airplane is seen at the airport with other airplanes'. How many words contain the letter 'z' in the sentence.
answer:
0

question:
Sentence: 'a very large building that appears to be a truck'. How many words contain the letter 'r' in the sentence.
answer:
4