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 man wearing glasses collecting samples in a container in a forest'. How many words start with the letter 'g' in the sentence.
answer:
1


question:
Sentence: 'a number of motorcycles are on display at a museum'. How many words start with the letter 'o' in the sentence.
answer:
2


question:
Sentence: 'a sign with an arrow pointing to the left'. How many words start with the letter 'a' in the sentence.
answer:

3