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

[EX Q]: Sentence: 'a man and a woman sitting in the backseat as the woman talks on a cell phone'. How many words contain the letter 's' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'bus parked next to a side walk on the road'. How many words contain the letter 'd' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a man and a woman cook in the kitchen'. How many words contain the letter 'i' in the sentence.
[EX A]:
2