( ( If ( ( this ( energy shortage ) ) ( is real ) ) ) ( , ( then ( we ( all ( ( need ( to ( share ( the burden ) ) ) ) . ) ) ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (DT this) (NN energy) (NN shortage)) (VP (VBZ is) (ADJP (JJ real))))) (, ,) (RB then) (NP (PRP we)) (ADVP (DT all)) (VP (VBP need) (S (VP (TO to) (VP (VB share) (NP (DT the) (NN burden)))))) (. .)))
If this energy shortage is real, then we all need to share the burden.
(ROOT (S (NP (DT All) (NNS cells)) (VP (VBP share) (NP (DT the) (NN characteristic)) (SBAR (IN that) (S (NP (PRP they)) (VP (VBP need) (NP (NN energy)))))) (. .)))
All cells share the characteristic that they need energy.