premise: A line of rollerbladers crouch down aerodynamically
hypothesis: A group of bicyclists round the corner simultaneously.
explanation_1: The group is either made up of rollerbladers or bicyclists.
explanation_2: group can't be bicyclists if they are rollerbladers
explanation_3: A group of rollerbladers are not bicyclists. Crouching down is not the same action as rounding a corner.
premise_logic: exists e1 s1 s2 x1 x2.(a_aerodynamically(s2) & Manner(e1,s2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_crouch(e1) & of(x1,x2) & n_rollerblader(x2) & n_line(x1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(n_corner(x3) & a_simultaneously(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_round(e1) & of(x1,x2) & n_bicyclist(x2) & n_group(x1))