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 car sitting on a train carriage on the tracks'. How many words start with the letter 'a' in the sentence.
answer:
2


question:
Sentence: 'birds are standing in a row on a wooden railing'. How many words start with the letter 'a' in the sentence.
answer:
3


question:
Sentence: 'the crowd is watching the baseball batter wearing a red helmet'. How many words start with the letter 't' in the sentence.
answer:

2