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

Input: Consider Input: Sentence: 'zebra walking through some desolate savanna alone during the day'. How many words contain the letter 'e' in the sentence.

Output: 5

Input: Consider Input: Sentence: 'three people that are looking at a monitor on the left side of the photo'. How many words contain the letter 'd' in the sentence.

Output: 1

Input: Consider Input: Sentence: 'a kitchen slab on which there is a microwave and few cups are kept in a tray'. How many words contain the letter 'm' in the sentence.
Output: 1