But eyes should know the only turquoise for alpaca .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (CC_0 But) (NP_1 (NNS_0 eyes))) (VP_3 (MD_0 should) (VP_1 (VB_0 know) (NP_3 (NP_6 (ATNP_1 (DT_0 the) (JJ_1 only)) (NN_1 turquoise)) (PP_0 (IN_1 for) (NP_2 (NN_3 alpaca))))))) (DOT_0 .)))