(SINV (SINV (QT (DQL ``) (QTC (S (BASENP (DT This) (NN study)) (VP (VP (VBZ adds) (PP (TO to) (NP (BASENP (PRPD our) (NN understanding)) (PP (IN about) (NP (BASENP (NNS patterns)) (PP (IN of) (NP (BASENP (PRP suicide)) (PP (IN in) (BASENP (NNP Great) (NNP Britain)))))))))) (PP (IN by) (S (VP (VBG producing) (NP (BASENP (JJ sound) (NN evidence)) (PP (IN on) (NP (BASENP (NNS divergences)) (PP (IN in) (NP (NP (BASENP (JJ long-term) (NNS trends)) (PP (IN in) (BASENP (NNP Scotland)))) (VP (VBN compared) (PP (TO to) (BASENP (NNP England) (CC and) (NNP Wales)))))))))))))) (COMMA ,)) (DQR '')) (SINV (VP (VBD said)) (NP (BASENP (NNP Professor) (NNP Stephen) (NNP Platt)) (COMMA ,) (NP (BASENP (DT a) (JJ lead) (NN researcher)) (PP (IN from) (NP (BASENP (NNP Edinburgh) (NNP University) (POS 's)) (NP (BASENP (NNP Centre)) (PP (IN for) (BASENP (NN Population) (NN Health) (NNPS Sciences)))))))))) (PERIOD .))