Rana told a delegation of the Nepal Trans-Himanlyan Trade Association, the only non-governmental organization which has trade relations with China, who informed the minister of the problems existing in the bilateral trade sector.
Most of Nepal's trade with China comes from the private sector. 
This is incorrect because the article states that there was only one non-governmental organization having trade relations with China. I think the system had difficulty because it cannot quantify.
( z1 come :ARG1 ( z2 trade :ARG0 ( z3 country :name ( z4 name :op "Nepal" ) ) :ARG2 ( z5 country :name ( z6 name :op "China" ) ) :quant ( z7 most ) ) :ARG3 ( z8 sector :ARG1-of ( z9 private ) ) )