Problem: Artur Edler von Mecenseffy (23 June 1865, Vienna 6 October 1917, Asiago) was an Austro-Hungarian Army officer who held the rank of "Feldmarschall-leutnant" ("lieutenant field marshal") and served during World War I, becoming the highest ranking officer of Austria-Hungary to be killed on the battlefield.

Based on the paragraph above can we conclude that "At least two officers of the Austro-Hungarian Army were killed on the battlefield in World War I"?

A: Yes

Problem: Beilin District () is one of nine districts of Xi'an, the capital of Shanxi province, China. The well-known Small Wild Goose Pagoda is also located in the district. The smallest, but most densely populated, of Xi'an's county-level divisions, it borders the districts of Xincheng to the northeast, Yanta to the south, and Lianhu to the northwest.

Based on the paragraph above can we conclude that "Beilin District is popular with adults"?

A: It's impossible to say

Problem: The Pari Aike Formation is a Late Cretaceous geologic formation of Cenomanian (formerly believed to be Maastrichtian) age in southern Patagonia, Argentina. The giant titanosaur "Puertasaurus", the megaraptoran "Orkoraptor", and the ornithopod "Talenkauen" have been recovered from the formation alongside turtles and crocodiles.

Based on the paragraph above can we conclude that "Many old birds have also been discovered in Argentina."?

A:
It's impossible to say