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 green fire hydrant is in the middle of an open dirt hole in a construction area'. How many words start with the letter 'a' in the sentence.
answer:
4


question:
Sentence: 'woman riding on the back of a horse inside a building'. How many words start with the letter 'o' in the sentence.
answer:
2


question:
Sentence: 'a man standing at a podium on a stage'. How many words start with the letter 'a' in the sentence.
answer:

4