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

Ex Input:
Sentence: 'a large herd of farm animals are with a cowboy'. How many words contain the letter 'l' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a bus station full of people walking on the side walk'. How many words contain the letter 'q' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'the figurine looks like it really is fresh cut oranges'. How many words contain the letter 'v' in the sentence.

Ex Output:

0