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 white dog laying in an open suitcase'. How many words start with the letter 'i' in the sentence.
answer:
1


question:
Sentence: 'a train passes over a quiet city park on a bridge'. How many words start with the letter 'a' in the sentence.
answer:
3


question:
Sentence: 'a  food blender next to a bowl on a counter'. How many words start with the letter 'b' in the sentence.
answer:

2