Original sentence: The IPKF was drawn into conflict with the LTTE in late 1987, and in fighting that took about three weeks, the IPKF took control of the Jaffna Peninsula from the LTTE rule, a feat that the Sri Lankan army was struggling for several years
Edited sentence: The IPKF was drawn into conflict with the LTTE in late 1987, and in fighting that took about three weeks, the IPKF liberated the Jaffna Peninsula from LTTE rule, a feat that the Sri Lankan army was struggling for several years