( ( Russian forces ) ( ( ( pushed ( into Grozney ) ) ( along ( five ( main ( thrust lines ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Russian) (NNS forces)) (VP (VBD pushed) (PP (IN into) (NP (NNP Grozney))) (PP (IN along) (NP (CD five) (JJ main) (NN thrust) (NNS lines)))) (. .)))
Russian forces pushed into Grozney along five main thrust lines.
(ROOT (S (NP (NNP Thrust)) (VP (VBZ is) (NP (NP (DT the) (NN force)) (VP (VBG pushing) (NP (DT a) (NN rocket))))) (. .)))