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

Ex Input:
Sentence: 'the tall giraffes are communicating with each other by the tree'. How many words contain the letter 'j' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a living room with couches chairs and tables'. How many words contain the letter 'a' in the sentence.

Ex Output:
4


Ex Input:
Sentence: 'a bedroom featuring wood accents and a red bed with mosquito netting'. How many words contain the letter 'w' in the sentence.

Ex Output:

2