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

[EX Q]: Sentence: 'a street scene with cars and an city bus'. How many words contain the letter 's' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a smiling woman wearing a hat holds up a snowboard'. How many words contain the letter 'b' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a kite with a pirate symbol is hanging from a pole on a beach'. How many words contain the letter 'x' in the sentence.
[EX A]:
0