This liquid water could be the result of the pressure from 2000 meters of ice causing warming enough to melt and form a super-cooled fresh water liquid that is colder than the freezing point normally true for water.
(This liquid water; could be; the result of the pressure from 2000 meters of ice) (a super-cooled fresh water liquid; is normally true; colder than the freezing point)
This liquid water a super-cooled fresh water liquid
could be is normally true
the result of the pressure from 2000 meters of ice
colder than the freezing point