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 brown dog greeting a lamb on a green field'. Count the number of vowels in the given sentence.

Answer: 14


Question: Sentence: 'a living room filled with lots of furniture next an entrance'. Count the number of consonants in the given sentence.

Answer: 31


Question: Sentence: 'a clock on a wooden pole in the middle of a beach'. Count the number of vowels in the given sentence.

Answer:
17