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

Sentence: 'zebra walking through some desolate savanna alone during the day'. How many words contain the letter 'e' in the sentence.
5

Sentence: 'a living room with couches chairs and tables'. How many words contain the letter 'a' in the sentence.
4

Sentence: 'an elephant in the water is spitting through its nose'. How many words contain the letter 'e' in the sentence.
4