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

Ex Input:
Sentence: 'two skiers standing side by side in the snow posing for a picture'. How many words contain the letter 'u' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'some girls on a soccer field playing soccer'. How many words contain the letter 'j' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a woman in the navy showing number girls pictures on her phone'. How many words contain the letter 'h' in the sentence.

Ex Output:

4