He-1 was shocked, associates say, *trace*-1 to learn of Mr. Icahn's new takeover threat.
        Arg0: *trace*
        Rel: learn
        Arg1: of Mr. Icahn's new takeover threat
Example: learn an infinitival S
        Apparently they are learning to say no to excess risk.
        Argm-dis: Apparently
        Arg0: they
        Rel: learning
        Arg1: to say no to excess risk
Example: learn a finite S
        Mr. Birnbaum recalls that [Mr. Guber and Mr. Peters]-1 shifted into high gear a few years back upon *trace*-1 learning that they had competition for the story of the murdered naturalist Dian Fossey, which became ``Gorillas in the Mist.''
        Arg0: *trace*
        Rel: learning
        Arg1: that they had competition for the story of the murdered naturalist Dian Fossey, which became ``Gorillas in the Mist
Example: include WH-complementizers!
        Kenneth Mitchell, director of Dow's polyethylene business, says producers-1 were surprised *trace*-1 to learn how much inventories had swelled throughout the distribution chain as prices spiraled up.
        Arg0: *trace*
        Rel: learn
        Arg1: how much inventories had swelled throughout the distribution chain as prices spiraled up
Example: it-support
        Meanwhile, in another sign that a new bid isn't imminent, it was learned that the UAL board held a telephone meeting Monday to hear an update on the situation.
        Argm-tmp: Meanwhile
        Argm-dis: in another sign that a new bid isn't imminent
        Rel: learned
        Arg1: that the UAL board held a telephone meeting Monday to hear an update on the situation
Example: with teacher
        John learned his lesson from Mary.
        Arg0: John
        Rel: learned
        Arg1: his lesson
        Arg2: from Mary
        At my parent conference, his teacher told me that the only problem he is having is with his learning the letters of the alphabet.
        Arg0: his
        Rel: learning
        Arg1: the letters of the alphabet