In this task, you need to count the number of words in a sentence that contain the given letter

[Q]: Sentence: 'man and woman posing for picture before prom'. How many words contain the letter 'c' in the sentence.
[A]: 1


[Q]: Sentence: 'several ties hang from a bar in a closet'. How many words contain the letter 'e' in the sentence.
[A]: 3


[Q]: Sentence: 'white and green bus moving with traffic on the street'. How many words contain the letter 'g' in the sentence.
[A]:
2