A lead singer is singing with a band on stage.
A singer performs on stage in a chicken suit.
The band could have been wearing any other type of outfit. A chicken suit is not very common for singers.
exists e1 x1 x2 x3 x4.(with(e1,x3) & on(x3,x4) & n_stage(x4) & n_band(x3) & Actor(e1,x1) & v_sing(e1) & n_singer(x1) & of(x1,x2) & n_lead(x2))
exists e1 x1 x2 x3 x4.(in(e1,x3) & n_suit(x3) & of(x3,x4) & n_chicken(x4) & on(e1,x2) & n_stage(x2) & Actor(e1,x1) & v_perform(e1) & n_singer(x1))