( Convex ( Mirrors - ) )
(ROOT (NP (NNP Convex) (NNPS Mirrors) (: -)))
Convex Mirrors -
(ROOT (S (NP (DT A) (NN convex) (NN mirror)) (VP (VBZ is) (VP (VBN shaped) (PP (IN like) (NP (NP (DT the) (NN outside)) (PP (IN of) (NP (DT a) (NN bowl))))))) (. .)))
A convex mirror is shaped like the outside of a bowl.