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.

Sentence: 'baseball players playing a game in a stadium'. Count the number of vowels in the given sentence.
15

Sentence: 'two traffic signs are pictured in front of a sky background'. Count the number of vowels in the given sentence.
16

Sentence: 'a group of men and women playing a game on the nintendo wii'. Count the number of consonants in the given sentence.

27