Complex sentence: He graduated from the Veterinary Technical Faculty of the Warsaw University of Life Sciences in 1972 and worked as a race horse trainer at Warsaw State Horse Race Tracks between 1972 and 1988.
Split into simpler sentences: He graduated from the Veterinary Technical Faculty of Warsaw University of Life Sciences in 1972. He worked as a race horse trainer at Warsaw State Horse Race Tracks between 1972-and 1988.