TASK DEFINITION: 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.
PROBLEM: Sentence: 'a man working on a suzuki motor cycle at a station'. Count the number of consonants in the given sentence.

SOLUTION: 23

PROBLEM: Sentence: 'a bathroom with a toilet, sink, mirror and tub'. Count the number of consonants in the given sentence.

SOLUTION: 22

PROBLEM: Sentence: 'three mountain goats standing in the middle of the road'. Count the number of consonants in the given sentence.

SOLUTION:
28