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

Sentence: 'a couple poses under a banner of a turkey'. How many words contain the letter 'v' in the sentence.
0

Sentence: 'a stop sign casting a shadow of a sign that says war'. How many words contain the letter 'y' in the sentence.
1

Sentence: 'a woman is outside on her cell phone'. How many words contain the letter 'u' in the sentence.

1