A woman in a purple shirt is looking at the camera and smiling while sewing some material.
A person in a purple shirt sews while smiling at the camera.
A women is a person, and 'looking at the camera and smiling while sewing' can be rephrased as 'sews while smiling at the camera'
exists e1 e3 e2 s1 s2 x1 x2 x3 x4 x5 x6.(n_camera(x3) & while(e2,e3) & Theme(e3,x6) & Actor(e3,x4) & v_sew(e3) & n_material(x6) & Actor(e2,x4) & v_smile(e2) & in(x4,x5) & n_shirt(x5) & a_purple(s2) & Theme(s2,x5) & n_woman(x4) & at(e1,x3) & Actor(e1,x1) & v_look(e1) & in(x1,x2) & n_shirt(x2) & a_purple(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_camera(x3) & while(x6,e1) & n_event(x6) & for(e1,x1) & in(e1,x4) & n_sew(x4) & of(x4,x5) & n_shirt(x5) & a_purple(s1) & Theme(s1,x4) & at(e1,x3) & Actor(e1,x2) & v_smile(e1) & n_thing(x2) & n_person(x1))