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

Ex Input:
Sentence: 'two cakes on a table with a piece missing out of one'. How many words contain the letter 'h' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a woman with long red hair packing herself into a suitcase'. How many words contain the letter 'i' in the sentence.

Ex Output:
5


Ex Input:
Sentence: 'surfer riding small breaking wave in open water'. How many words contain the letter 'f' in the sentence.

Ex Output:

1