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

Sentence: 'the laptop is disassembled with the parts piled on the outer shell'. How many words contain the letter 'v' in the sentence.
0

Sentence: 'an asian man ad woman on their cell phones'. How many words contain the letter 'i' in the sentence.
2

Sentence: 'a pretty wooden tray with some tasty looking treats'. How many words contain the letter 'r' in the sentence.

3