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

Sentence: 'a woman in the city is holding a bright kite'. How many words contain the letter 'v' in the sentence.
0

Sentence: 'a woman with long red hair packing herself into a suitcase'. How many words contain the letter 'i' in the sentence.
5

Sentence: 'one baseball player is swinging a club and the other is swinging a bat'. How many words contain the letter 'y' in the sentence.

1