Arg0:person performing match
Arg1:matching objects
| passive, two arg1's (-) | |
|---|---|
|  | |
| REL: | twinned | 
| Arg1: | *trace* -> *trace* -> *trace* -> The Nagymaros dam | 
| Arg1-with: | another dam, now nearly complete, 100 miles upstream in Czechoslovakia | 
Following 'match' and similar verbs, 'twin' takes all matching objects as arg1.