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

Sentence: 'a wooden bench sits leveled straight on a slanted ground'. How many words contain the letter 'l' in the sentence.
2

Sentence: 'several ties hang from a bar in a closet'. How many words contain the letter 'e' in the sentence.
3

Sentence: 'adults play in the snow with balls and over sized mallets'. How many words contain the letter 'v' in the sentence.

1