I knew from past experiences that it only takes a few strategically placed ice pans.
(I; knew; from past experiences; that it only takes a few strategically placed ice pans) Context(I knew,List([0, 6))):(it; only takes; a few strategically placed ice pans)
I knew,List([0, 6))
I it
knew only takes
from past experiences that it only takes a few strategically placed ice pans
a few strategically placed ice pans