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

Ex Input:
Sentence: 'a tv showing a broadcast from the weather channel'. How many words contain the letter 'j' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'two cats stand beside a pink door and potted plants'. How many words contain the letter 'z' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a very nicely set round dining table with flowers'. How many words contain the letter 'm' in the sentence.

Ex Output:

0