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.
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Question: Sentence: 'a train traveling through a tunnel on a model track'. How many words start with the letter 'a' in the sentence.

Answer: 3


Question: Sentence: 'a group of four people are riding a ski lift as they ride over the snowy mountain'. How many words start with the letter 'a' in the sentence.

Answer: 4


Question: Sentence: 'a crosswalk photo focusing on the wheels of bikes'. How many words start with the letter 'o' in the sentence.

Answer:
2