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.
--------
Question: Sentence: 'birds are in the water and sticking their heads in'. Count the number of consonants in the given sentence.

Answer: 26


Question: Sentence: 'cars are waiting for a train to pass in a city intersection'. Count the number of consonants in the given sentence.

Answer: 28


Question: Sentence: 'a group of people sitting around a table in a large room'. Count the number of vowels in the given sentence.

Answer:
21