['Tucker', 'find', 'scientist', 'EmptyParameter', 'EmptyParameter'] ['Reed', 'find', 'scientist', 'EmptyParameter', 'EmptyParameter']
['<PERSON>1', 'declare-29.4', "Synset('causal_agent.n.01')", 'EmptyParameter', 'EmptyParameter'] ['<PERSON>2', 'declare-29.4', "Synset('causal_agent.n.01')", 'EmptyParameter', 'EmptyParameter']
Tucker and Reed eventually find the scientists.
<PERSON>1 and <PERSON>2 eventually find the Synset('causal_agent.n.01').