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

Ex Input:
Sentence: 'a bottle of beer and a red plate of food'. How many words contain the letter 'u' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a woman on a bike with an umbrella'. How many words contain the letter 'e' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'two men in the ocean with their surfboard along with a dog'. How many words contain the letter 'd' in the sentence.

Ex Output:

2