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: 'two men are standing next to a brownish black elephant'. Count the number of vowels in the given sentence.
[EX A]: 15

[EX Q]: Sentence: 'group of horses and their riders traveling through a path in forest'. Count the number of vowels in the given sentence.
[EX A]: 20

[EX Q]: Sentence: 'a modern day train going down the track that runs alongside a road'. Count the number of vowels in the given sentence.
[EX A]:
20