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

Sentence: 'someone is holding an orange and black iphone'. How many words contain the letter 'h' in the sentence.
2

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: 'a group of people stand on a side walk'. How many words contain the letter 'c' in the sentence.

0