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

Sentence: 'a horse and a donkey stand in a fenced field'. How many words contain the letter 'd' in the sentence.
5

Sentence: 'a man is water skiing in the ocean'. How many words contain the letter 'c' in the sentence.
1

Sentence: 'the zebra is standing on a grassy field'. How many words contain the letter 'h' in the sentence.

1