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: 'someone flying a red kite in a crowded park'. How many words start with the letter 'a' in the sentence.
answer:
2


question:
Sentence: 'an officer sits on a brown horse on a city street'. How many words start with the letter 'o' in the sentence.
answer:
3


question:
Sentence: 'a strand of beads on an open laptop computer'. How many words start with the letter 'o' in the sentence.
answer:

3