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: "The Air Force Office of Special Investigations and base officials are assisting in the investigation with the Okinawa City Police," the statement said. No further details are available, it said, adding: "The incident is still under investigation."

Answer: What event has already finished?

Question: Passage: In Baghdad, five people were killed and 19 wounded when a car bomb exploded in a bustling marketplace in the mixed Shiite-Sunni neighbourhood of Saidiyah, a security source said. A national electricity employee, a police colonel and a university guard were also killed in separate attacks, security sources said.

Answer: What event has already finished?

Question: Passage: It is the fist telescope in China specialized in NEO observation and one of only six, one-meter NEO observation telescopes in the world, said Yang Jiexing, a researcher with the observatory. Near-earth objects are comets and asteroids that have been nudged by the gravitational pull and may collide with earth.

Answer:
What event has already finished?