Thus, China's President repeatedly sent letters and envoys to the Dalai Lama and to the Tibetan Government asking that Tibet "join" the Republic of China.
If Tibet joins China, it will be beneficial to China. 
( z1 benefit :ARG0 ( z2 join :ARG0 ( z3 province :name ( z4 name :op "Tibet" ) ) :ARG1 ( z5 country :name ( z6 name :op "China" ) ) ) :ARG1 z5 :condition z2 )