Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: To answer this question, we should know that: Characterized by Rhimes as a dork with issues expressing her feelings, Lexie's focal storyline in the series involved her romantic relationship with plastics attending Mark Sloan (Eric Dane).
The question and answer:
Characterized by Rhimes as a dork with issues expressing her feelings, Lexie's focal storyline in the series involved her romantic relationship with plastics attending Mark Sloan (Eric Dane). Both she and Mark sustained life-threatening injuries during an aviation accident in the eighth-season finale, which resulted in their deaths. Seattle Grace Mercy West is later renamed Grey-Sloan Memorial Hospital in their memory. The reason given for Lexie's departure after five years on the show was Leigh's desire to spend more time with her family.

Based on this passage, who did lexi date on grey's anatomy?
The answer is Mark Sloan