Question: The Lisunov Li-2, originally designated PS-84, was a license-built version of the Douglas DC-3, a fixed-wing propeller-driven airliner, its lasting effect on the airline industry, and which event makes it one of the most significant transport aircraft ever made?
Sentence (from "Douglas DC-3"): Its cruise speed (207 mph ) and range (1500 mi ) revolutionized air transport in the 1930s and 1940s.
Relevant evidence: No