A man wearing glasses and dress coat standing in a sea of people at what appears to be a convention.
A man is playing a guitar in a crowd of people.
Conventions normally do not include men playing a guitar.
exists e1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(a_topic(x1) & exists e2 p1 x10.(n_thing(x10) & in(e1,x8) & of(x8,x9) & at(x9,x10) & Topic(e2,p1) & Actor(e2,x10) & v_appear(e2) & exists p2 x11.((x10 = x11) & n_convention(x11))) & n_people(x9) & n_sea(x8) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_standing(x5) & of(x5,x7) & n_coat(x7) & of(x5,x6) & n_dress(x6) & n_glass(x4) & subset_of(x5,x3) & subset_of(x4,x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(in(e1,x3) & of(x3,x4) & n_people(x4) & n_crowd(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & n_man(x1))