instruction:
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.
question:
Sentence: 'the two  grey elephants was trailing each other across the road'. Count the number of vowels in the given sentence.
answer:
19


question:
Sentence: 'a sign on a lamp post indicates yellow brick road'. Count the number of consonants in the given sentence.
answer:
25


question:
Sentence: 'a picture of a baseball game taken from behind home plate'. Count the number of consonants in the given sentence.
answer:

27