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.

[Q]: Sentence: 'a skateboarder skating down a steep hill marked with cones'. Count the number of consonants in the given sentence.
[A]: 31


[Q]: Sentence: 'the cow is standing in the field all by himself'. Count the number of vowels in the given sentence.
[A]: 12


[Q]: Sentence: 'two children in grassy field playing with soccer balls'. Count the number of vowels in the given sentence.
[A]:
13