One man wearing a black shirt and pants is kneeling on a stage in front of a microphone while another man in a black shirt plays the drums.
Two friends are performing.
one man and another man could be two friends
exists e2 e1 p1 s1 x1 x2 x3 x4 x5 x6 x7 x8 x11.(n_drum(x11) & exists e3 s2 x9 x10.(Theme(e3,x11) & Actor(e3,x9) & v_play(e3) & in(x9,x10) & n_shirt(x10) & a_black(s2) & Theme(s2,x10) & n_man(x9) & -(x9 = x1)) & n_man(x1) & n_man(x1) & while(e2,p1) & in(e2,x7) & of(x7,x8) & n_microphone(x8) & n_front(x7) & on(e2,x6) & n_stage(x6) & Actor(e2,x1) & v_kneel(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & subset_of(x5,x3) & n_pants(x5) & subset_of(x4,x3) & n_shirt(x4) & a_black(s1) & Theme(s1,x4) & (x1 = x2) & card_eq_1(x1))
exists e1 x1.(Actor(e1,x1) & v_perform(e1) & n_friend(x1) & card_eq_2(x1))