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

Ex Input:
Sentence: 'a vase picture and a bird statue on a table'. How many words contain the letter 'j' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a man sanding next to a cow in a pen'. How many words contain the letter 'h' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a pizza mushrooms chunks of tofu and unmelted cheese on top of it'. How many words contain the letter 'z' in the sentence.

Ex Output:

1