Gravity causes the sap to flow downhill to gathering stations for collecting.
(Gravity; causes; the sap to flow downhill to gathering stations for collecting) Context(Gravity causes,List([0, 14))):(the sap; to flow; downhill; to gathering stations for collecting)
Gravity causes,List([0, 14))
Gravity the sap
causes to flow
the sap to flow downhill to gathering stations for collecting
downhill to gathering stations for collecting