datasource datasource datasource datasource node default_ns contrast-focus node morphology Is be VBZ node default_ns topic node morphology this this DT node morphology example example NN node morphology more more RBR node morphology complicated complicated JJ node morphology than than IN node morphology it it PRP node morphology appears appear VBZ node morphology to to TO node morphology be be VB node morphology ? ? . node default_ns node morphology it it PRP node default_ns node default_ns contrast-focus node morphology Is be VBZ node default_ns topic node morphology this this DT node morphology example example NN node morphology more more RBR node morphology complicated complicated JJ node morphology than than IN node morphology appears appear VBZ node morphology to to TO node morphology be be VB node morphology ? ? . node morphology it it PRP node default_ns node syntax ROOT node syntax SQ node syntax NP node syntax ADJP node syntax ADJP node syntax SBar node syntax S node syntax NP node syntax VP node syntax S node syntax VP node syntax VP node morphology it it PRP node default_ns node syntax ROOT node syntax SQ node syntax NP node syntax ADJP node syntax ADJP node syntax SBar node syntax S node syntax NP node syntax VP node syntax S node syntax VP node syntax VP node default_ns contrast-focus node morphology Is be VBZ node default_ns topic node morphology this this DT node morphology example example NN node morphology more more RBR node morphology complicated complicated JJ node morphology than than IN node morphology appears appear VBZ node morphology to to TO node morphology be be VB node morphology ? ? . node default_ns contrast-focus node morphology Is be VBZ node default_ns topic node morphology this this DT node morphology more more RBR node morphology complicated complication NN node morphology than than IN node morphology appears appear VBZ node morphology to to TO node morphology be be VB node morphology ? ? . node syntax ROOT node syntax SQ node syntax NP node morphology example example NN node syntax ADJP node syntax ADJP node syntax SBar node syntax S node syntax NP node syntax VP node syntax S node syntax VP node syntax VP node syntax ROOT node syntax SQ node syntax NP node syntax ADJP node syntax ADJP node syntax SBar node syntax S node syntax NP node syntax VP node syntax S node syntax VP node syntax VP corpus 3.3 corpus corpus doc1 corpus doc2 corpus corpus doc3 corpus doc4