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: 'man holding remote control for video game system'. How many words contain the letter 'u' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a broken pink cellphone on the ground in the grass'. How many words contain the letter 'd' in the sentence.
[EX A]:
1