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

Ex Input:
Sentence: 'a bottle of beer and a red plate of food'. How many words contain the letter 'u' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a kitchen in a camp with gear and coats laid out'. How many words contain the letter 'i' in the sentence.

Ex Output:
4


Ex Input:
Sentence: 'a man sits beside large bags of fruit in a market'. How many words contain the letter 't' in the sentence.

Ex Output:

3