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

Ex Input:
Sentence: 'a group of giraffes walk across an open area'. How many words contain the letter 'm' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a table with two different pizzas on it'. How many words contain the letter 'j' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'the orange frisbee is next to a figure made in the sand'. How many words contain the letter 'i' in the sentence.

Ex Output:

4