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 young woman is posing on a wooden table'. How many words start with the letter 'w' in the sentence.
answer:
2


question:
Sentence: 'a blue brick building with a man leaning on it'. How many words start with the letter 'b' in the sentence.
answer:
3


question:
Sentence: 'a child flying a kite with a colorful long tail on the beach'. How many words start with the letter 'a' in the sentence.
answer:

3