The New Wiper Blades<br>Mary was having trouble seeing out of her windshield. Her wiper blades weren't working properly. Mary stopped at a car parts store. She found the proper sized blades. Mary bought the blades and installed them on her car.
Mary's wiper blades were made from steel.
( z1 make :ARG1 ( z2 blade :instrument-of ( z3 wipe ) :part-of ( z4 person :name ( z5 name :op "Mary" ) ) ) :ARG2 ( z6 steel ) )