For the case of Aldrich Hazen (Rick) Ames , and his Colombian-born wife , Maria del Rosario Casas Ames arrested by the FBI on charges that they were Russian spies , is so rich in mysteries , puzzles , riddles and contradictions that the answers may never be untangled even as the CIA's counterintell.
The case also involves espionage.
It is unclear if the case involves espionage. The system was confused by the wording.
( z1 involve :ARG1 ( z2 spy ) :ARG2 ( z3 case ) :mod ( z4 also ) )