A female student is studying at a library.
The student is studying for a test.
Because a person is study doesn't mean they are preparing for a test.
exists e1 s1 x1 x2.(at(e1,x2) & n_library(x2) & Actor(e1,x1) & v_study(e1) & n_student(x1) & a_female(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_student(x1) & for(e1,x2) & n_test(x2) & Actor(e1,x1) & v_study(e1))