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: A 20-litre-canister of petrol would cost some 17 dollars, while topping up with gas costs only four dollars," said the head of Yerevan's Ultra taxi service, Aram Hachian, who has converted all his cars. "If we used petrol, many people here wouldn't be able to afford a taxi," he said.
Output: 



Output:
What event has already finished?
What event has begun but has not finished?
What will happen in the future?
What is currently happening when gas is used? 
What happened before he discussed gas prices?
What happened after he discussed gas prices?
What would happen if they used petrol in the future?
What may not happen if they used petrol in the future?
What would happen before someone couldn't afford a taxi?
What happened after the cars were converted?