Mongolia's continent (4)
I believe the answer is:
asia
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mongolia's continent</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for asia that I've seen before include "Thailand and its location" , "Major land mass" , "The nations of the East, collectively" , "A vast number of people have lived here" , "group of countries" .)