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

[EX Q]: Sentence: 'a van follows behind a bus on a rural road'. How many words contain the letter 'q' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a white plate of food including rice and vegetables with beef'. How many words contain the letter 'o' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'two people in a living room with a television and open cupboards'. How many words contain the letter 'p' in the sentence.
[EX A]:
3