We saw birds fly, we learned to fly.
(we; to fly; ) (we; learned; to fly) Context(we learned,List([18, 28))):(We; saw; birds fly) Context(We saw we learned,List([0, 28))):(birds; fly; )
we learned,List([18, 28)) We saw we learned,List([0, 28))
we we We birds
to fly learned saw fly
to fly
birds fly