In this task, you will be shown a passage. You need to write a fill-in-the-gap question based on your understanding of the events that might be inferred from the passage. Your question should be answerable based on the passage and only have one correct answer. Show the gap in your question with a _ .

[Q]: It was no accident that Nasa crashed one of its Apollo 16 rocket boosters onto the moon, but the researchers never intended to lose it. In April of 1972, the booster drifted off and was never seen again, unable to transmit tracking data and reveal its whereabouts because of a malfunction. Now, almost 44 years later, the crash site of the Saturn V stage-three booster has finally been located. The site was identified by Jeff Plescia, a scientist from Johns Hopkins University, and expert in finding objects that have been lost in space. Plescia used high-resolution images produced by the Lunar Reconnaissance Orbiter Camera (LROC) system, according to Science Alert.Stage 3 Saturn V rocket booster disappeared in 1972 Apollo 16 missionThe booster was set to crash onto the moon, and take measurementsMalfunction caused it to become lost, unable to transmit tracking dataJeff Plescia located crash site using the Lunar Reconnaissance Orbiter
[A]: Still, Science Alert says _ establish a seismic sensor network on the moon in order to test certain theories.


[Q]: He's part of one of the most famous, most watched, most talked-about families on the planet. But over the last year, Rob Kardashian - brother to Kim, Kourtney and Khloe - has all but disappeared from the media spotlight. And now in newly released clips from this week's episode of Keeping Up With The Kardashians his family have once again expressed their concern for the once gregarious but now reclusive 28-year-old. Scroll down for video Rob Kardashian is rarely seen out and about and is thought to have struggled with his weight gain over the recent years For it's been nearly a year since Rob seemed to vanish from the public eye.Rob Kardashian, 28, has taken disappeared from the media spotlightHis sister Khloe says he has 'social anxiety'Family discuss him in new episode of Keeping Up With The Kardashians
[A]: However, Kim is less kind, butting into the conversation and telling her mum and _: 'Now what we have to do is everyone back off.'


[Q]: (CNN) The island of Bali is a jewel of the Indonesian archipelago, a tourist magnet known for idyllic beaches and lush forests. But the curse of plastic pollution threatens to make this a paradise lost, disfigured by trash-strewn shores and sprawling landfill sites. Only China dumps more plastic in the ocean than Indonesia, and much of it washes up in Bali. The crisis inspired local surfer and entrepreneur Kevin Kumala to find a novel solution. "I was with a friend sitting outside a bar and we were seeing hundreds of motorcyclists wearing vinyl ponchos," he recalls. "It clicked that these disgusting, toxic ponchos would be used a few times and then discarded, but they would not decompose."Balinese company seeks to fight plastic pollution through a sustainable alternativeCassava-based product can be drunk by humansEmerging field of bioplastics is growing rapidly
[A]:
Salvation took the shape of cassava, a cheap and common root vegetable across _.