Complex sentence: In order to alleviate Ling-Ling's condition, Toot, Xandir, and Wooldoor invite his father to the house to cheer him up; but when the latter arrives, he expresses his disappointment about his son being in a reality TV show.
Split into simpler sentences: In order to alleviate Ling-Ling's condition, Toot, Xandir, and Wooldoor invite his father to the house to cheer him up. However, when Ling-Ling's father arrives, he expresses his disappointment about his son being in a reality TV show.