rtokens: Matthew estimates that by the 2000/01 season , the gap between natural rubber output and consumption will rise to 51,000 tonnes and 319,000 tonnes in 2010/11 .
pos: JJ JJ NN NN VBZ RB VBN TO VB RB IN DT JJ NN CC VB MD NN TO CD NNS .
tokens: Indian synthetic rubber output is not expected to rise significantly in the next season but demand will rise to 145,000 tonnes .
ltokens: " Though schemes designed to realise further increases in the production of natural rubber are being operated successfully , the demand-supply gap is expected to widen , " he said .