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: 'some boys are wearing green and red vests and ties'. Count the number of vowels in the given sentence.
16

Sentence: 'a fire hydrant is near a tree in a flooded area'. Count the number of consonants in the given sentence.
19

Sentence: 'two ponies are running through a grassy field'. Count the number of consonants in the given sentence.

24