premise: two very muddy men drilling for oil
hypothesis: The guys are working at an oil rig.
explanation_1: Working at an oil rig could mean they are repairing the oil rig. It may not mean they are drilling for oil.
premise_logic: exists e1 s1 x1 x2 x3.(a_topic(x1) & for(e1,x3) & n_oil(x3) & Actor(e1,x2) & v_drill(e1) & (x1 = x2) & n_man(x1) & a_muddy(s1) & Theme(s1,x1) & r_very(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2 x3.(n_guy(x1) & at(e1,x2) & n_rig(x2) & of(x2,x3) & n_oil(x3) & Actor(e1,x1) & v_work(e1))
premise_sim: exists e1 s1 x1 x2 x3.(v_drill(e1) & r_very(x1) & n_oil(x3) & n_man(x1) & for(e1,x3) & card_eq_2(x1) & a_topic(x1) & a_muddy(s1) & Theme(s1,x1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists e1 x1 x2 x3.(v_work(e1) & of(x2,x3) & n_rig(x2) & n_oil(x3) & n_guy(x1) & at(e1,x2) & Actor(e1,x1))