A man is sitting on a plastic chair on a pebbly coast while talking on the phone.
A woman is sitting on a plastic chair on a pebbly coast while talking on the phone.
The person sitting in the chair can only be either a man or a woman.
exists e2 e1 s1 s2 x1 x2 x3 x4.(n_phone(x4) & while(e1,e2) & on(e2,x4) & Actor(e2,x1) & v_talk(e2) & on(e1,x3) & n_coast(x3) & a_pebbly(s2) & Theme(s2,x3) & on(e1,x2) & n_chair(x2) & a_plastic(s1) & Theme(s1,x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e2 e1 s1 s2 x1 x2 x3 x4.(n_phone(x4) & while(e1,e2) & on(e2,x4) & Actor(e2,x1) & v_talk(e2) & on(e1,x3) & n_coast(x3) & a_pebbly(s2) & Theme(s2,x3) & on(e1,x2) & n_chair(x2) & a_plastic(s1) & Theme(s1,x2) & Actor(e1,x1) & v_sit(e1) & n_woman(x1))