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 red and white double decker bus parked in front of a building'. How many words start with the letter 'b' in the sentence.
answer:
2


question:
Sentence: 'three hot dogs are stuffed in buns are ready to serve'. How many words start with the letter 'd' in the sentence.
answer:
1


question:
Sentence: 'a man wearing a striped tie and a jacket'. How many words start with the letter 'j' in the sentence.
answer:

1