Saturday, they removed the brains of four mice to study their nervous system's response to space.
(they; removed; the brains of four mice; to study their nervous system's response to space; T:Saturday) Context(they removed,List([10, 22))):(they; removed the brains of four mice to study; their nervous system's response to space)
they removed,List([10, 22))
they they
removed removed the brains of four mice to study
the brains of four mice to study their nervous system's response to space T:Saturday
their nervous system's response to space