( ( The ears ) ( ( ( are triangle ) ( shaped ( with ( ( the ( short side ) ) ( at ( the ( attached edge ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS ears)) (VP (VBP are) (ADVP (RB triangle)) (VP (VBN shaped) (PP (IN with) (NP (NP (DT the) (JJ short) (NN side)) (PP (IN at) (NP (DT the) (JJ attached) (NN edge))))))) (. .)))
The ears are triangle shaped with the short side at the attached edge.
(ROOT (S (NP (NP (DT The) (CD eight) (NNS sides)) (PP (IN of) (NP (DT an) (NN octahedra)))) (VP (VBP are) (PP (IN in) (NP (NP (DT the) (NN shape)) (PP (IN of) (NP (DT a) (NNS triangles)))))) (. .)))