( ( ( ( ( It ( was ( assumed ( that ( ( all ( the ( electricity trade ) ) ) ( was ( influenced ( ( ( by ( the climate ) ) and ) ( consequently ( by ( variations ( in precipitation ) ) ) ) ) ) ) ) ) ) ) ) , ) and ) ( ( ( the average ) ( over ( a ( long ( time period ) ) ) ) ) ( would ( be ( zero ( net exchange ) ) ) ) ) ) . )
(ROOT (S (S (NP (PRP It)) (VP (VBD was) (VP (VBN assumed) (SBAR (IN that) (S (NP (PDT all) (DT the) (NN electricity) (NN trade)) (VP (VBD was) (VP (VBN influenced) (PP (PP (IN by) (NP (DT the) (NN climate))) (CC and) (PP (ADVP (RB consequently)) (IN by) (NP (NP (NNS variations)) (PP (IN in) (NP (NN precipitation))))))))))))) (, ,) (CC and) (S (NP (NP (DT the) (NN average)) (PP (IN over) (NP (DT a) (JJ long) (NN time) (NN period)))) (VP (MD would) (VP (VB be) (NP (CD zero) (JJ net) (NN exchange))))) (. .)))
It was assumed that all the electricity trade was influenced by the climate and consequently by variations in precipitation, and the average over a long time period would be zero net exchange.
(ROOT (S (NP (DT The) (NN climate)) (VP (VBZ is) (VP (VBN defined) (PP (IN as) (NP (NP (DT the) (NN temperature) (IN plus) (NN precipitation)) (PP (IN of) (NP (NP (DT an) (NN area)) (PP (IN over) (NP (NP (DT a) (JJ long) (NN period)) (PP (IN of) (NP (NN time))))))))))) (. .)))