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

[EX Q]: Sentence: 'black and white photo of old man riding a motorcycle'. How many words contain the letter 'n' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a mother zebra standing next to a baby zebra'. How many words contain the letter 'e' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a bathroom with a tub sink and toilet in it'. How many words contain the letter 'h' in the sentence.
[EX A]:
2