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

Input: Consider Input: Sentence: 'there is a small bowl of soup and vegetables'. How many words contain the letter 'g' in the sentence.

Output: 1

Input: Consider Input: Sentence: 'sitting room with couch and entertainment system in cabinets'. How many words contain the letter 'e' in the sentence.

Output: 3

Input: Consider Input: Sentence: 'a plate with a grilled sanwich next to a bowl of tomato soup'. How many words contain the letter 'a' in the sentence.
Output: 6