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

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

Ex Output:
0


Ex Input:
Sentence: 'a woman is smiling next to a dog'. How many words contain the letter 'j' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a delicious ham set in the kitchen on the stove'. How many words contain the letter 'e' in the sentence.

Ex Output:

6