premise: A construction man appears to be staring at a device.
hypothesis: A laborer looks at his tools.
explanation_1: Some devices aren't tools.
explanation_2: Just because a construction man appears to be staring at a device, doesn't mean he is a laborer.
explanation_3: A device doesn't mean tools.
premise_logic: exists e1 p1 x1 x2.(Topic(e1,p1) & Actor(e1,x1) & v_appear(e1) & exists e2 x3.(at(e2,x3) & n_device(x3) & Actor(e2,x1) & v_stare(e2)) & n_man(x1) & of(x1,x2) & n_construction(x2))
hypothesis_logic: exists e1 x1 x2.(at(e1,x2) & n_tool(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_look(e1) & n_laborer(x1))