In this task, you need to count the number of vowels (letters 'a', 'e', 'i', 'o', 'u') / consonants (all letters other than vowels) in the given sentence.
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Question: Sentence: 'a group of people sitting at a table writing on papers'. Count the number of consonants in the given sentence.

Answer: 26


Question: Sentence: 'the two  grey elephants was trailing each other across the road'. Count the number of vowels in the given sentence.

Answer: 19


Question: Sentence: 'a gentleman who is pointing to the green stuff on his keyboard'. Count the number of vowels in the given sentence.

Answer:
19