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

[EX Q]: Sentence: 'a clean kitchen with several cabinets a sink a coffee maker and a vase of flowers'. How many words contain the letter 'p' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'three birds perched on top of a wire fence'. How many words contain the letter 'b' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'people are playing on the beach at dusk'. How many words contain the letter 'x' in the sentence.
[EX A]:
0