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 group of people are attending a wedding'. Count the number of vowels in the given sentence.
15

Sentence: 'a baseball player swings the bat to hit the ball'. Count the number of consonants in the given sentence.
26

Sentence: 'two elephants that are standing in the dirt'. Count the number of vowels in the given sentence.

12