Why is Greenland considered an island but not Eurasia?

Actually, the word “airplane” is being used equivocally there. A “paper airplane” is actually a paper glider, not an airplane at all.

Well, KBR does some contracting work at the US bases there, I believe. So, one could say that KBR is “on” Antarctica - and plenty of executives have worked with them. So a sufficiently quick-witted exec could persuasively answer “yes” to your question.