Definition: 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.

Positive Example 1 -
Input: Passage: I submitted the hit. The hit was approved, and then I was paid.
Output: What happened after I submitted the hit?

Positive Example 2 -
Input: Passage: Heavy snow is causing disruption to transport across the UK, with heavy rainfall bringing flooding to the south-west of England. Rescuers searching for a woman trapped in a landslide at her home in Looe, Cornwall, said they had found a body.
Output: What event has started?

Negative Example 1 -
Input: Passage: He will be happy after he attends the party.
Output: Is he happy now?

Negative Example 2 -
Input: Passage: I submitted the hit. The hit was not approved, and then I was not paid.
Output: What did I submit?

Now complete the following example -
Input: 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.
Output: 



Output:
What event has already finished?
What event has begun but has not finished?
What will happen in the future?
What happened after the company bought the stake?