( ( ( ( ( Design and ) construct ) ( a ( simple ( or ( compound machine ) ) ) ) ) ( to ( complete ( a ( particular task ) ) ) ) ) . )
(ROOT (S (VP (VB Design) (CC and) (VB construct) (NP (DT a) (NN simple) (CC or) (NN compound) (NN machine)) (S (VP (TO to) (VP (VB complete) (NP (DT a) (JJ particular) (NN task)))))) (. .)))
Design and construct a simple or compound machine to complete a particular task.
(ROOT (S (NP (NNS Scissors)) (VP (VBP are) (NP (JJ compound) (NNS machines))) (. .)))