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: 'lots of sheep are standing in a field'. Count the number of vowels in the given sentence.
[EX A]: 12

[EX Q]: Sentence: 'a herd of sheep are walking up a muddy hill next to a parked minivan'. Count the number of vowels in the given sentence.
[EX A]: 21

[EX Q]: Sentence: 'a group of vehicles move across an intersection'. Count the number of consonants in the given sentence.
[EX A]:
23