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

Ex Input:
Sentence: 'a blue motorcycle parked next to a tree in a forest'. How many words contain the letter 'm' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a plastic container filled with pastry balls sitting on a counter'. How many words contain the letter 'q' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a lunch consisting of two hot dogs with fixings seasoned french fries and soda'. How many words contain the letter 'h' in the sentence.

Ex Output:

4