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 dog is laying down on a small couch'. How many words start with the letter 'a' in the sentence.
answer:
2


question:
Sentence: 'woman standing on the beach with a large sailboat behind her'. How many words start with the letter 's' in the sentence.
answer:
2


question:
Sentence: 'a group of children are gathered around playing tennis'. How many words start with the letter 'a' in the sentence.
answer:

3