instruction:
In this task, you need to count the number of words in a sentence that start with the given letter. Answer with numbers and not words.
question:
Sentence: 'a shot of the tops of several tall buildings in a city'. How many words start with the letter 'a' in the sentence.
answer:
2


question:
Sentence: 'a laptop and some computers on a desk'. How many words start with the letter 'd' in the sentence.
answer:
1


question:
Sentence: 'a group of people stand around at a party'. How many words start with the letter 'a' in the sentence.
answer:

4