original: about 2,000 troops have been allocated to zipingpu , trying to release the pressure through spillway .
simplifications: about 2,000 troops have been allocated to zipingpu trying to release the pressure through spillway . 2,000 troops have been allocated to zipingpu to release pressure through the spillway . about 2,000 troops have been sent to zipingpu , to release the pressure through spillway . about 2,000 troops have been sent to zipingpu , trying to release the pressure through spillway . in an attempt to release the pressure through the spillway about 2,000 troops have been allocated to zipingpu . about 2,000 troops have moved to zipingpu to try and release the pressure through the spillway . about 2,000 troops have been sent to zipingpu , trying to release the pressure through spillway . about 2,000 soldiers have been put in zipingpu , trying to make it less hard trough spillway .