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

Ex Input:
Sentence: 'a kitchen that is very nice and clean'. How many words contain the letter 't' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'some people at a table with food and drinks'. How many words contain the letter 'n' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'man sitting in a chair with a remote in his hand'. How many words contain the letter 'u' in the sentence.

Ex Output:

0