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

Ex Input:
Sentence: 'a vase picture and a bird statue on a table'. How many words contain the letter 'j' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'some elephants in a field of grass near a tree'. How many words contain the letter 'k' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a person sits on a motorcycle on the side of a road'. How many words contain the letter 'l' in the sentence.

Ex Output:

1