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

[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: 'the street corner is flooded deep with water'. How many words contain the letter 'f' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'two women in grey jackets on skis and snowboard next to mountains'. How many words contain the letter 'y' in the sentence.
[EX A]:
1