obviously , a lot of people wasted a lot of their time ( including mine ) on something very inconsequential . 
(ROOT (S (ADVP (RB obviously)) (, ,) (NP (NP (DT a) (NN lot)) (PP (IN of) (NP (NNS people)))) (VP (VBD wasted) (NP (NP (DT a) (NN lot)) (PP (IN of) (NP (PRP$ their) (NN time))) (-LRB- -LRB-) (PP (VBG including) (NP (PRP mine))) (-RRB- -RRB-)) (PP (IN on) (NP (NP (NN something)) (ADJP (RB very) (JJ inconsequential))))) (. .)))
(ROOT (S (ADVP (RB )) (, ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NNS )))) (VP (VBD ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (PRP$ ) (NN ))) (-LRB- ) (PP (VBG ) (NP (PRP ))) (-RRB- )) (PP (IN ) (NP (NP (NN )) (ADJP (RB ) (JJ ))))) (. )))