Given a sentence as txt, 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).
vowel_links("a very large appliance") ➞ True
vowel_links("go to innokodakademija") ➞ True
vowel_links("an open fire") ➞ False
vowel_links("a sudden applause") ➞ False
You can expect sentences in only lowercase, with no punctuation.