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 plate has ribs broccoli and mashed potatoes on a plate'. How many words start with the letter 'a' in the sentence.
answer:
3


question:
Sentence: 'a bus is parked on the side of a road in front of a building'. How many words start with the letter 'a' in the sentence.
answer:
3


question:
Sentence: 'a bed room with a dresser a wardrobe and a bed'. How many words start with the letter 'a' in the sentence.
answer:

5