Task: Explanation
Input (English): Obi-Wan "Ben" Kenobi is a fictional character in the "Star Wars" franchise, within the original trilogy he is portrayed by Alec Guinness, while in the prequel trilogy a younger version of the character is portrayed by Ewan McGregor. In the original trilogy, he is a mentor to Luke Skywalker, to whom he introduces the ways of the Jedi. In the prequel trilogy, he is a master and friend to Anakin Skywalker. He is frequently featured as a main character in various other "Star Wars" media. Question: Which actor from Trainspotting also played Obi-Wan Kenobi? Answer: Ewan Gordon McGregor
Output (English): ObiWan Ben Kenobi is a fictional character in the Star Wars franchise, within the original trilogy he is portrayed by Alec Guinness, while in the prequel trilogy a younger version of the character is portrayed by Ewan McGregor.