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

Example Input: Sentence: 'some kids are all taking a photograph together'. How many words contain the letter 'e' in the sentence.
Example Output: 3

Example Input: Sentence: 'a large herd of farm animals are with a cowboy'. How many words contain the letter 'l' in the sentence.
Example Output: 2

Example Input: Sentence: 'the man is skiing in the snow along with other people'. How many words contain the letter 'l' in the sentence.
Example Output:
2