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

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

Sentence: 'a man holding an umbrella in one hand and a cell phone up to his ear in the other'. How many words contain the letter 'x' in the sentence.
0

Sentence: 'women and children gathered under umbrellas on the roadside in a city'. How many words contain the letter 'u' in the sentence.
2