(S (S (SBAR (WHADVP (WRB When)) (S (BASENP (NNP Amazon)) (VP (VBD was) (VP (VP (VBN alerted) (PP (TO to) (BASENP (DT this)))) (PP (IN by) (BASENP (DT the) (JJ actual) (NNS rights) (NN holder))))))) (COMMA ,) (S (S (BASENP (DT the) (NN company)) (VP (VP (VP (VBD removed) (BASENP (DT the) (NNS books))) (PP (IN from) (BASENP (PRPD their) (JJ online) (NN store)))) (VP (ADVP (RB then)) (VP (PRN (COMMA ,) (ADVP (ADVP (RB far) (RBR more)) (RB controversially)) (COMMA ,)) (VP (ADVP (RB remotely)) (VP (VP (VBD deleted) (BASENP (DT the) (NNS books))) (PP (IN from) (NP (BASENP (PRPD their) (NNS customers) (POS ')) (NNS devices))))))))) (SBAR (IN before) (S (VP (VBG issuing) (BASENP (NNS refunds))))))) (PERIOD .))