( ( In ( combination ( with ( the ( potential instability ) ) ) ) ) ( ( the lifting ) ( ( ( ( probably ( caused ( ( the release ) ( of ( static instability ) ) ) ) ) and ) ( ( gave rise ) ( to ( deep convection ) ) ) ) . ) ) )
(ROOT (S (PP (IN In) (NP (NP (NN combination)) (PP (IN with) (NP (DT the) (JJ potential) (NN instability))))) (NP (DT the) (NN lifting)) (VP (VP (ADVP (RB probably)) (VBD caused) (NP (NP (DT the) (NN release)) (PP (IN of) (NP (JJ static) (NN instability))))) (CC and) (VP (VBD gave) (NP (NN rise)) (PP (TO to) (NP (JJ deep) (NN convection))))) (. .)))
In combination with the potential instability the lifting probably caused the release of static instability and gave rise to deep convection.
(ROOT (S (NP (NNS Rises)) (ADVP (RB then)) (VP (ADVP (RB sinks)) (VBZ does) (NP (NP (JJR deeper) (NN material) (NN cause) (NN convection)) (PP (IN in) (NP (DT the) (NN mantle))))) (. .)))