instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a couple sitting on seats on a train'. How many words contain the letter 'z' in the sentence.
answer:
0


question:
Sentence: 'a wooden bench sits leveled straight on a slanted ground'. How many words contain the letter 'l' in the sentence.
answer:
2


question:
Sentence: 'a bunch of people are sitting around tables with drinks'. How many words contain the letter 'd' in the sentence.
answer:

2