(S (S (S (NP (NP (BASENP (NN Ten) (NNS days)) (PP (IN of) (BASENP (NNS drills)))) (PRN (COMMA ,) (QT (DQL ``) (BASENP (NNP Velayat) (NN 90)) (DQR '')) (COMMA ,))) (VP (VBD was) (VP (VBN conducted) (BASENP (JJ last) (NNP December))))) (CC and) (S (QT (DQL ``) (BASENP (NNP Velayat) (NN 89)) (DQR '')) (VP (PP (NP (BASENP (DT a) (NN year)) (CC and) (BASENP (DT a) (NN half))) (PP (IN before) (BASENP (DT that)))) (PP (IN in) (BASENP (NNP May) (NN 2010)))))) (PERIOD .))