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.

[Q]: Sentence: 'a cat sleeping on a bed next to a window in a room'. Count the number of consonants in the given sentence.
[A]: 21


[Q]: Sentence: 'an old train next to some empty train tracks'. Count the number of vowels in the given sentence.
[A]: 12


[Q]: Sentence: 'a man riding water skis while being towed by a boat'. Count the number of consonants in the given sentence.
[A]:
25