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

Sentence: 'a man with a skateboard up in air at a skateboard park'. How many words contain the letter 's' in the sentence.
2

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

Sentence: 'a red fire hydrant along the curb at night'. How many words contain the letter 'e' in the sentence.

3