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

Sentence: 'a water fountain sitting in the middle of a bathroom'. How many words contain the letter 'h' in the sentence.
2

Sentence: 'a stir fry consisting of rice broccoli and other vegetables'. How many words contain the letter 'e' in the sentence.
3

Sentence: 'front view of a prop plane parked on runway strip'. How many words contain the letter 'a' in the sentence.

4