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

Sentence: 'a small plain kitchen with a white stove and microwave'. How many words contain the letter 'h' in the sentence.
3

Sentence: 'a smiling man holds out a card with color swatches'. How many words contain the letter 'i' in the sentence.
2

Sentence: 'a blender filled with a lot of sliced cucumber'. How many words contain the letter 'l' in the sentence.

4