Arg0:agent, sender-back
Arg1:thing sent
Arg2:sent to
| glad this showed all args (-) | |
|---|---|
|  | |
| Arg0: | the appeals court | 
| REL: | remanded | 
| Arg1: | the case | 
| Arg2-DIR: | back to the district court | 
| ArgM-PNC: | for further proceedings | 
Use of DIR here is warranted because the 'back' was outside the to-phrase but formed a natural constituent. Otherwise extract the preposition as usual.