An artist is working on a sculpture in a workshop.
The artist is knitting a scarf
An artist is either knitting a scarf or working on a sculpture.
exists e1 x1 x2 x3.(in(e1,x3) & n_workshop(x3) & on(e1,x2) & n_sculpture(x2) & Actor(e1,x1) & v_work(e1) & n_artist(x1))
exists e1 x1 x2.(n_artist(x1) & Theme(e1,x2) & Actor(e1,x1) & v_knit(e1) & n_scarf(x2))