The boy in glasses is reading.
A boy reads his book even without his glasses
The boy is either reading with glasses or without.
exists e1 x1 x2 x3.(n_boy(x1) & Theme(e1,x3) & Actor(e1,x1) & v_read(e1) & n_thing(x3) & in(x1,x2) & n_glass(x2))
exists e1 x1 x2 x3.(r_even(e1) & -with(e1,x3) & n_glass(x3) & of(x3,x1) & n_male(x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & n_book(x2) & of(x2,x1) & n_boy(x1))