Is a lake bigger than a river? or is a river bigger than a lake?

It depends but mostly river is bigger than the lake

A lake is bigger than a river... think of like
One of the Great Lakes (HOMES)

Assuming i understand the question and context 1: poe, inventor, detective  sentence 2: believing, effect, perplex, elucidation sentence3: device, baffled, friend, companion, solutions.sentence 4: viewing, happenings, puzzlement  sentence 5: poe, second, device, detective, solution  sentence 6: two, devices, detective