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

[EX Q]: Sentence: 'a couple of lambs that are in the dirt'. How many words contain the letter 'l' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a couple of cut outs of plants berries and apples'. How many words contain the letter 'd' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'an orange van with vehicles behind are sitting on the road'. How many words contain the letter 'd' in the sentence.
[EX A]:
2