instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a business man is talking on the phone'. How many words contain the letter 'e' in the sentence.
answer:
3


question:
Sentence: 'a man sits on a bench with a dog in lap reading'. How many words contain the letter 'x' in the sentence.
answer:
0


question:
Sentence: 'cup of coffee and two slices of pizza on a table'. How many words contain the letter 'd' in the sentence.
answer:

1