Complex sentence: Upon her release from prison in October 1986, Farrell enrolled at Queen's University, Belfast for a course in Political Science and Economics, although she dropped out to play a larger role in the IRA's armed campaign.
Split into simpler sentences: Upon her release from prison in October 1986, Farrell enrolled at Queen's University, Belfast for a course in Political Science and Economics. However, she dropped out of school to play a larger role in the IRA's armed campaign.