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

Input: Consider Input: Sentence: 'an lshaped desk covered in various computers and accessories'. How many words contain the letter 'e' in the sentence.

Output: 5

Input: Consider Input: Sentence: 'there is a red tea pot that has flowers in it'. How many words contain the letter 'o' in the sentence.

Output: 2

Input: Consider Input: Sentence: 'a woman holding a large baked pizza on a plate next to a table'. How many words contain the letter 'p' in the sentence.
Output: 2