instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'people are parked along side the road by pay here signs'. How many words contain the letter 'a' in the sentence.
answer:
5


question:
Sentence: 'a man flying through the air while riding a snowboard'. How many words contain the letter 'x' in the sentence.
answer:
0


question:
Sentence: 'a police officer rides a motorcycle in front of a building'. How many words contain the letter 'v' in the sentence.
answer:

0