In this task, a passage will be given and the goal is to generate a question about temporal relations based on that passage. A temporal relation describes the relation between two things with respect to time e.g., something happens/starts/terminates/... immediately/shortly/usually/... before/after/during/... something else.
 Your question should include an event, or ask about an event, and should not be a yes/no question.
--------
Question: Passage: Japan's Tomen Corp. said Thursday it had bought a 19 percent stake in Koppert Biological Systems BV, a Dutch company that breeds benign insects to protect vegetables against insect pests. The Japanese trading house has been a sales agent in Japan for the world's biggest breeder of benign insects since 1992 and sold for two years a type of bee that kills insects that thrive on tomatoes and strawberries.

Answer: What event has already finished?


Question: Passage: He succeeds James A. Taylor, who stepped down as chairman, president and chief executive in March for health reasons. Edward L. Kane succeeded Mr. Taylor as chairman.

Answer: What event has already finished?


Question: Passage: In the year-earlier quarter, the automobile and trucking insurer had earnings of $1.4 million, or 48 cents a share on a restated basis, on revenue of $16.5 million. In an interview, W. Brent LeGere, chairman and chief executive officer, said he expects revenue in the latest quarter to total about $28 million.

Answer:
What event has already finished?


