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 cat is laying in a bowl with a receipt'. How many words start with the letter 'a' in the sentence.
answer:
3


question:
Sentence: 'a small bathroom has a mirror vanity and toilet'. How many words start with the letter 'b' in the sentence.
answer:
1


question:
Sentence: 'a group of people walking down a street with a brown truck'. How many words start with the letter 'b' in the sentence.
answer:

1