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

Sentence: 'a carrot and celery are on a cutting board'. How many words contain the letter 's' in the sentence.
0

Sentence: 'a pair of feet wearing slippers pointed at the floor'. How many words contain the letter 'e' in the sentence.
5

Sentence: 'an orange cat sitting on a window seal looking out of the window'. How many words contain the letter 'v' in the sentence.
0