Q:Information:  - The clean and jerk is a composite of two weightlifting movements, most often performed with a barbell: the clean and the jerk. During the "clean", the lifter moves the barbell from the floor to a racked position across the Deltoids, without resting fully on the Clavicles. During the "jerk" the lifter raises the barbell to a stationary position above the head, finishing with straight arms and legs, and the feet in the same plane as the torso and barbell.  - A barbell is a piece of exercise equipment used in weight training, bodybuilding, weightlifting and powerlifting, consisting of a long bar, usually with weights attached at each end.  - Olha Korobka ( born December 7 , 1985 Bobrovytsia , Ukrainian SSR , Soviet Union ) is a female Ukrainian weightlifter who was European record holder in the snatch with 133 kg , and in the clean and jerk with 164 kg.    Given the information, choose the subject and object entities that have the relation of 'sport'.
A:
olha korobka , weightlifting