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: 'the passengers are going up the step in to the plane'. How many words start with the letter 't' in the sentence.

Answer: 4


Question: Sentence: 'a man without a shirt riding a skateboard'. How many words start with the letter 'r' in the sentence.

Answer: 1


Question: Sentence: 'a woman slowly skiing down a hill with one pole'. How many words start with the letter 'a' in the sentence.

Answer:
2