( Then ( ( have ( them ( ( use ( sticks ( , ( rocks ( , ( leaves ( , ( pine cones ) ) ) ) ) ) ) ) ( to ( ( ( paint or ) imprint ) ( on ( the paper ) ) ) ) ) ) ) . ) )
(ROOT (S (RB Then) (VP (VB have) (S (NP (PRP them)) (VP (VB use) (NP (JJ sticks) (, ,) (NNS rocks) (, ,) (NNS leaves) (, ,) (JJ pine) (NNS cones)) (S (VP (TO to) (VP (VB paint) (CC or) (VB imprint) (PP (IN on) (NP (DT the) (NN paper))))))))) (. .)))
Then have them use sticks, rocks, leaves, pine cones to paint or imprint on the paper.
(ROOT (S (NP (DT A) (NN mold)) (VP (VBZ is) (NP (NP (DT an) (NN imprint)) (PP (IN of) (NP (NP (DT an) (NN organism)) (VP (VBN left) (PP (IN in) (NP (NN rock)))))))) (. .)))