Input (grade 11): On February 11, 1972, the Explorer ran aground near La Plaza Point, Antarctica; her passengers, Lars-Eric Lindblad among them, were rescued by the Chilean Navy.
Output (grade 12): On February 11, 1972 the Explorer ran aground (into the ground) near La Plaza Point, Antarctica; its passengers, Lars-Eric Lindblad among them, were rescued by the Chilean Navy.