Problem: Does "Heavier guns and long-range missiles may be in air-defence brigades and come under corps or higher command." answer the question "How are batteries typically grouped?"

A: no

Problem: Does "It claimed that the NKVD performed secret killings in Kurapaty." answer the question "What is Pazniak's occupation?"

A: no

Problem: Does "Some 355 copper alloys were proven to kill more than 99.9% of disease-causing bacteria within just two hours when cleaned regularly." answer the question "355 copper alloys have been proven to kill what percentage of bacteria?"

A:
yes