Greyhounds take a corner at a race.
One greyhound is clearly in the lead.
A greyhound taking a corner doesn't necessarily mean one greyhound is clearly in the lead.
exists e1 x1 x2 x3.(at(e1,x3) & n_race(x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_corner(x2) & n_greyhound(x1))
exists p1 s1 x1 x2.(n_lead(x2) & a_clearly(s1) & Manner(p1,s1) & in(x1,x2) & n_greyhound(x1) & card_eq_1(x1))