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 close up of a baby with a tooth brush'. How many words start with the letter 'a' in the sentence.
answer:
3


question:
Sentence: 'hospital display of different bed setups and a nurses uniform'. How many words start with the letter 'd' in the sentence.
answer:
2


question:
Sentence: 'a green and beige bus in front of a red car is parked next to a sign'. How many words start with the letter 'i' in the sentence.
answer:

2