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

Ex Input:
Sentence: 'five kids playing with frisbees on a sunny day'. How many words contain the letter 'p' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'pair of one kind of birds and another bird perched on a railing'. How many words contain the letter 'j' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a person that is holding some food in his hand'. How many words contain the letter 'j' in the sentence.

Ex Output:

0