with Tuesday boulders , it looked lesson but .
(ROOT_0 (S_0 (ATS_3 (S_1 (ATS_1 (ATS_2 (PP_2 (IN_0 with) (NP_3 (NNP_1 Tuesday) (NNS_1 boulders))) (COMMA_0 ,)) (NP_0 (PRP_1 it))) (VP_3 (VBD_1 looked) (NP_2 (NN_3 lesson)))) (CC_0 but)) (DOT_0 .)))