The reason why dolphins need to get their oxygen from the air is that, like humans and other mammals, they have lungs for breathing instead of gills.
(dolphins; need; to get their oxygen from the air) Context(dolphins need,List([15, 28))):(dolphins; need to get; their oxygen; from the air) (The reason why dolphins need to get their oxygen from the air; is; that, like humans and other mammals, they have lungs for breathing instead of gills) Context(The reason why dolphins need to get their oxygen from the air is,List([0, 64))):(they; have; lungs) Context(The reason why dolphins need to get their oxygen from the air is they have,List([0, 111))):(they; have lungs for breathing instead; )
dolphins need,List([15, 28)) The reason why dolphins need to get their oxygen from the air is,List([0, 64)) The reason why dolphins need to get their oxygen from the air is they have,List([0, 111))
dolphins dolphins The reason why dolphins need to get their oxygen from the air they they
need need to get is have have lungs for breathing instead
to get their oxygen from the air
their oxygen from the air
that, like humans and other mammals, they have lungs for breathing instead of gills
lungs