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.

Q: Sentence: 'a man in a wheel chair holding a tennis racquet'. How many words start with the letter 't' in the sentence.

A: 1
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Q: Sentence: 'an airplane as it is taking off and is ascending into space'. How many words start with the letter 'a' in the sentence.

A: 5
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Q: Sentence: 'groups of people get on and off train at the station'. How many words start with the letter 'g' in the sentence.

A:
2
****