( This ( ( will ( ( do ( a ( simple analysis ) ) ) ( with ( ( ( all sources ) ( remaining constant ) ) ( -LRB- ( ( temperature ( will ( ( change , ) ( that ( 's OK ) ) ) ) ) -RRB- ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (MD will) (VP (VB do) (NP (DT a) (JJ simple) (NN analysis)) (PP (IN with) (NP (NP (DT all) (NNS sources)) (VP (VBG remaining) (ADJP (JJ constant))) (PRN (-LRB- -LRB-) (S (NP (NN temperature)) (VP (MD will) (VP (VB change) (, ,) (SBAR (IN that) (S (VP (VBZ 's) (ADJP (JJ OK)))))))) (-RRB- -RRB-)))))) (. .)))
This will do a simple analysis with all sources remaining constant (temperature will change, that's OK).
(ROOT (S (PP (IN During) (NP (NN phase) (NN change))) (, ,) (NP (NP (DT the) (NN temperature)) (PP (IN of) (NP (DT a) (NN system)))) (VP (VBZ remains) (ADJP (JJ constant))) (. .)))