A young lady at a gymnastic event waiting to begin her performance.
a girl is swimming
One cannot be in the gymnastics event and waiting for swimming at the same time.
exists e1 p1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & at(x1,x2) & Topic(e1,p1) & Actor(e1,x3) & v_wait(e1) & exists e2.(Theme(e2,x4) & Actor(e2,x3) & v_begin(e2)) & n_performance(x4) & of(x4,x1) & n_female(x1) & (x2 = x3) & n_event(x2) & a_gymnastic(s2) & Theme(s2,x2) & n_lady(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1.(Actor(e1,x1) & v_swim(e1) & n_girl(x1))