['Federation', 'sign', 'treaty', 'EmptyParameter', 'EmptyParameter'] ['Empire', 'sign', 'treaty', 'EmptyParameter', 'EmptyParameter']
['<ORGANIZATION>2', 'instr_communication-37.4.1', "Synset('agreement.n.01')", 'EmptyParameter', 'EmptyParameter'] ['<ORGANIZATION>1', 'hire-13.5.3', "Synset('agreement.n.01')", 'EmptyParameter', 'EmptyParameter']
The Federation and the Klingon Empire signed a treaty eighty years earlier.
<ORGANIZATION>2 and <ORGANIZATION>2 <ORGANIZATION>0 <ORGANIZATION>1 signed a Synset('agreement.n.01') <DATE>1.