question(And recently, the hoax theory has reportedly surfaced again online, with renewed allegations that the closest NASA's gotten to Mars has been Arctic Canada. Some of those weighing in on the matter, in fact, seem to question the notion that Mars itself exists at all.coasttocoastam.comART Vancouver)
call into question(call into question (also US call into doubt) : to make people doubt something His report calls into question the earlier reports we had. [=his report makes us feel not certain that the earlier reports were true] This news calls her loyalty into question. [=makes people doubt that she is loyal].)
kritik(A "kritik" or "K" (which derived from the German word) is a form of argument often used in policy debate that challenges a certain mindset or assumption made by the opposing team. Val_Ships)
