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

Ex Input:
Sentence: 'a keyboard on a table with a toothbrush a book some sunglasses and coffee'. How many words contain the letter 'e' in the sentence.

Ex Output:
5


Ex Input:
Sentence: 'a young man wearing a red tie sitting next to a cat'. How many words contain the letter 'h' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a special trolley like car riding along the water'. How many words contain the letter 'i' in the sentence.

Ex Output:

3