Problem: Does "The design of the Institute's Mycenean lions medal and the motto 'Usui civium, decori urbium' has been attributed to Thomas Leverton Donaldson, who had been honorary secretary until 1839." answer the question "When did Joan Hassall redesign the Royal Institute's medal?"

A: no

Problem: Does "Around 18,500-15,500 years ago, these hunter-gatherers are believed to have followed herds of now-extinct Pleistocene megafauna along ice-free corridors that stretched between the Laurentide and Cordilleran ice sheets." answer the question "These ancient hunter-gathers followed what path in pursuit of game?"

A: yes

Problem: Does "Notably, a statute does not disappear automatically merely because it has been found unconstitutional; it must be deleted by a subsequent statute." answer the question "What has remained on the books after they were ruled unconstitutional?"

A:
no