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 bus stops in order to pick up passengers'. How many words start with the letter 'p' in the sentence.
answer:
2


question:
Sentence: 'a man eating a giant slice of pizza over a table'. How many words start with the letter 'o' in the sentence.
answer:
2


question:
Sentence: 'there are tree branches in the centerpiece on this table'. How many words start with the letter 'a' in the sentence.
answer:

1