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: 'a baseball player swings a bat at a game'. Count the number of vowels in the given sentence.
13

Sentence: 'a woman getting ready to hit a tennis ball on a court'. Count the number of vowels in the given sentence.
17

Sentence: 'a red train is traveling undergroud on the tracks'. Count the number of consonants in the given sentence.

26