Complex sentence: The Enterprise receives a distress signal from a Tellarite vessel in which they find in it three dead Tellarite crew members and an Orion slave woman called Lolani, who doesn't remember how her traveling companions died.
Split into simpler sentences: The Enterprise receives a distress signal from a Tellarite vessel. They find in it three dead Tellarite crew members and an Orion slave woman called Lolani, who doesn't remember how her traveling companions died.