In the 1960s, a University of Wisconsin graduate <e1>student</e1> named Thomas Crocker came up with a novel <e2>solution</e2> for environmental problems.
In the 1960s, a
In the 1960s, a University of Wisconsin graduate student named Thomas Crocker came up with a novel solution for environmental problems.
<triplet> student <subject> solution <object> Product-Producer(e2,e1)