TASK DEFINITION: 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.
PROBLEM: Sentence: 'a silver and blue amtrak train sitting below tall buildings'. How many words start with the letter 'b' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a batter lifts his left foot as he swings the bat'. How many words start with the letter 'a' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'the glass of wine has a paper taped to its base'. How many words start with the letter 'w' in the sentence.

SOLUTION:
1