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

Sentence: 'computer and a monitor on a wooden desk next to a laptop'. How many words contain the letter 'm' in the sentence.
2

Sentence: 'a line of very tall buildings next to a clock tower'. How many words contain the letter 'o' in the sentence.
4

Sentence: 'a bathroom with a see through glass shower'. How many words contain the letter 'a' in the sentence.

4