(S (S (BASENP (DT The) (NN proposal)) (VP (ADVP (RB also)) (VP (VBZ suggests) (S (VP (VP (VBG extending) (NP (BASENP (DT the) (NN time)) (SBAR (S (BASENP (NN taxi) (NNS companies)) (VP (MD can) (VP (VB keep) (NP (BASENP (NNS recordings)) (VP (VBN downloaded) (PP (IN from) (BASENP (NN security) (NNS cameras))))))))))) (PP (IN from) (BASENP (DT the) (JJ current) (QP (NN 30) (CC --) (NN 35)) (NNS days)))))))) (PERIOD .))