Person sitting at a desk in a library.
There is a man wearing glasses reading a book at the library.
The person is not identified by gender, so we do not know that he is a man. Although it is fairly common for a person to be wearing glasses while reading a book in a library, we have no information to indicate this.
exists e1 x1 x2 x3.(ne_nam_person(x1) & in(e1,x3) & n_library(x3) & at(e1,x2) & n_desk(x2) & Actor(e1,x1) & v_sit(e1))
exists p1 x1 x7.(n_library(x7) & exists e2 e1 x2 x3 x4 x5 x6.((x1 = x2) & Theme(e2,x4) & Actor(e2,x3) & v_wear(e2) & Theme(e1,x6) & Actor(e1,x5) & v_read(e1) & at(x6,x7) & n_book(x6) & (x4 = x5) & n_glass(x4) & (x2 = x3) & n_man(x2)))