Look out for that overseer up there.
( ( ( Look out ) ( for ( ( that overseer ) ( up there ) ) ) ) . )
(ROOT (S (VP (VB Look) (PRT (RP out)) (PP (IN for) (NP (NP (DT that) (NN overseer)) (ADVP (RB up) (RB there))))) (. .)))
Watch out that you do not bump your head on the overseer.
( ( ( Watch out ) ( that ( you ( ( do not ) ( ( bump ( your head ) ) ( on ( the overseer ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Watch) (PRT (RP out)) (SBAR (IN that) (S (NP (PRP you)) (VP (VBP do) (RB not) (VP (VB bump) (NP (PRP$ your) (NN head)) (PP (IN on) (NP (DT the) (NN overseer)))))))) (. .)))