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

Ex Input:
Sentence: 'a woman standing on a beach near the water'. How many words contain the letter 'n' in the sentence.

Ex Output:
4


Ex Input:
Sentence: 'an asian man ad woman on their cell phones'. How many words contain the letter 'i' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'bread fruit vegetables and cheese with a bottle of wine'. How many words contain the letter 'e' in the sentence.

Ex Output:

5