In shape it might be compared to an iceboat with two keels and a long stem, the keels being adapted to run on ice or snow, while the boat would float on water.
(the keels; to run; on ice or snow) (the boat; would float; L:on water) (the keels; being adapted; to run on ice or snow) Context(the keels being adapted,List([76, 99))):(it; might be compared; to an iceboat with two keels and a long stem; L:In shape)
the keels being adapted,List([76, 99))
the keels the boat the keels it
to run would float being adapted might be compared
on ice or snow
L:on water
to run on ice or snow
to an iceboat with two keels and a long stem L:In shape