A performing wearing a white shirt is standing among a crowd of fans.
A performer standing alone on stage.
Performer among a crowd of fans cannot be alone on a stage
exists e1 e2 s1 x1 x2 x3 x4 x5.(among(e2,x4) & of(x4,x5) & n_fan(x5) & n_crowd(x4) & Actor(e2,x1) & v_stand(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shirt(x3) & a_white(s1) & Theme(s1,x3) & (x1 = x2) & n_perform(x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_stage(x3) & a_alone(s1) & Manner(e1,s1) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_performer(x1))