23 May '20 18:41>
@blood-on-the-tracks saidYeah,bit rubbish this week really.
@venda
I think it's a typo - means one vowel (a) only. The others have more.
That certainly makes Ghana the odd one out, so is a valid answer. Don't much like this type of question, as it could be one of several possible answers
I'll give the answer tomorrow probably when I've thought about it myself