Given a sentence as str, return true if any two adjacent words have this property: One word ends with a vowel, while the word immediately after begins with a vowel (a e i o u).
vowelLinks("a very large appliance") ➞ true
vowelLinks("go to innokodakademija") ➞ true
vowelLinks("an open fire") ➞ false
vowelLinks("a sudden applause") ➞ false
You can expect sentences in lowercase/uppercase.