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

[EX Q]: Sentence: 'a motorcycle parked in front of a small cafe'. How many words contain the letter 'n' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a cat sitting on a wooden chair look at the camera'. How many words contain the letter 'd' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a modern looking bathroom has a toilet and a sink'. How many words contain the letter 'o' in the sentence.
[EX A]:
4