Big water fountain in middle of courtyard.
A football field in the courtyard.
There is either a water fountain or a football field in the courtyard.
exists s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x3) & of(x3,x4) & n_courtyard(x4) & n_middle(x3) & n_fountain(x1) & of(x1,x2) & n_water(x2) & a_big(s1) & Theme(s1,x1))
exists x1 x2 x3.(n_courtyard(x3) & a_topic(x1) & in(x1,x3) & n_field(x1) & of(x1,x2) & n_football(x2))