And so simple stoneflies might help explain how dinosaurs learned to fly.
(dinosaurs; to fly; ) (simple stoneflies; might help; explain how dinosaurs learned to fly) Context(simple stoneflies might help,List([7, 35))):(simple stoneflies; might help explain; how dinosaurs learned to fly) Context(simple stoneflies might help explain,List([7, 43))):(dinosaurs; learned; to fly)
simple stoneflies might help,List([7, 35)) simple stoneflies might help explain,List([7, 43))
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