The wood is a poor conductor of heat -- it only causes burns if your feet stay in contact for long enough for the heat energy to be transferred.
(your feet; stay; in contact for long enough) (the heat energy; to be transferred; ) (it; only causes; burns) Context(it only causes,List([40, 54))):(The wood; is; a poor conductor of heat)
it only causes,List([40, 54))
your feet the heat energy it The wood
stay to be transferred only causes is
in contact for long enough
burns
a poor conductor of heat