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.

[EX Q]: Sentence: 'a herd of sheep is on the side of the road and a bus drives through'. Count the number of vowels in the given sentence.
[EX A]: 21

[EX Q]: Sentence: 'some children's toys are sitting by a baby carriage'. Count the number of consonants in the given sentence.
[EX A]: 27

[EX Q]: Sentence: 'two people holding umbrellas standing on a bridge'. Count the number of consonants in the given sentence.
[EX A]:
27