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

Ex Input:
Sentence: 'a batter sings his bat at a baseball game'. How many words contain the letter 'h' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a baseball player in the middle of a swing'. How many words contain the letter 'p' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a female standing in the bathroom and taking a photo with her phone'. How many words contain the letter 'e' in the sentence.

Ex Output:

4


