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

[EX Q]: Sentence: 'snow boarder in midflight inverted with a steep snowy slope in the background'. How many words contain the letter 'j' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'some soldiers cutting into a big sheet cake on a table'. How many words contain the letter 'c' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a white sink and a shower in a room'. How many words contain the letter 'w' in the sentence.
[EX A]:
2