instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a young skateboarder is performing tricks in a driveway'. How many words contain the letter 'd' in the sentence.
answer:
2


question:
Sentence: 'a woman bent down on the street holding her umbrella'. How many words contain the letter 'x' in the sentence.
answer:
0


question:
Sentence: 'a silver truck a street a person and buildings'. How many words contain the letter 'l' in the sentence.
answer:

2