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

Ex Input:
Sentence: 'the two ladies was sitting  on the sofa'. How many words contain the letter 'l' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a boy in a car on a laptop'. How many words contain the letter 'j' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a laptop computer is turned on by a stove'. How many words contain the letter 't' in the sentence.

Ex Output:

4