This in turn means that the moon must have molten interior, although the crust may be thick compared with the crusts of Earth or Alderaan.
(the crust; may be; thick) (This; means; that the moon must have molten interior, although the crust may be thick compared with the crusts of Earth or Alderaan) Context(This means,List([0, 18))):(the moon; must have molten interior; )
This means,List([0, 18))
the crust This the moon
may be means must have molten interior
thick
that the moon must have molten interior, although the crust may be thick compared with the crusts of Earth or Alderaan