A scientist worked his entire lifetime to find a cure for a crippling disease.
(A scientist; worked; his entire lifetime; to find a cure for a crippling disease) Context(A scientist worked,List([0, 18))):(A scientist; worked his entire lifetime to find; a cure)
A scientist worked,List([0, 18))
A scientist A scientist
worked worked his entire lifetime to find
his entire lifetime to find a cure for a crippling disease
a cure