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: 'a cat sleeping on a bed next to a window in a room'. Count the number of consonants in the given sentence.

Answer: 21


Question: Sentence: 'a couple of giraffe standing next to each other'. Count the number of vowels in the given sentence.

Answer: 16


Question: Sentence: 'a back to the future mcclaren and time machine toy'. Count the number of consonants in the given sentence.

Answer:
25