( ( ( ( ( Remember ( , ( ( a bunny ) ( ( can only ) ( survive ( ( a ( day ( or so ) ) ) ( without water ) ) ) ) ) ) ) , ) and ) ( ( if ( ( their ( water supply ) ) ( is ( ( irregular or ) dirty ) ) ) ) ( , ( they ( become ( ( thin and ) unhealthy ) ) ) ) ) ) . )
(ROOT (S (S (S (VP (VB Remember))) (, ,) (NP (DT a) (NN bunny)) (VP (MD can) (ADVP (RB only)) (VP (VB survive) (PP (NP (DT a) (NN day) (QP (CC or) (RB so))) (IN without) (NP (NN water)))))) (, ,) (CC and) (S (SBAR (IN if) (S (NP (PRP$ their) (NN water) (NN supply)) (VP (VBZ is) (ADJP (JJ irregular) (CC or) (JJ dirty))))) (, ,) (NP (PRP they)) (VP (VBP become) (ADJP (JJ thin) (CC and) (JJ unhealthy)))) (. .)))
Remember, a bunny can only survive a day or so without water, and if their water supply is irregular or dirty, they become thin and unhealthy.
(ROOT (S (NP (JJS Most) (NNS people)) (VP (MD can) (VP (VB survive) (NP (QP (RB only) (DT a) (JJ few)) (NNS days)) (PP (IN without) (NP (NN water))))) (. .)))