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

Sentence: 'chopsticks and oriental food in white dishes sit on a wooden table'. How many words contain the letter 'z' in the sentence.
0

Sentence: 'a picture of a plane in the air'. How many words contain the letter 'l' in the sentence.
1

Sentence: 'a bathroom with a sink counter toilet and shower curtain'. How many words contain the letter 'o' in the sentence.

4