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

Ex Input:
Sentence: 'several men standing up in a large room holding wii controllers'. How many words contain the letter 'h' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a zebra standing still in the grass near a tree'. How many words contain the letter 'w' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'two men that are standing next to each other'. How many words contain the letter 'p' in the sentence.

Ex Output:

0