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 _ .

Example Input: 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
Example Output: Still, Science Alert says _ establish a seismic sensor network on the moon in order to test certain theories.

Example Input: (CNN) In 2016, Americans were infected with more than 2 million new cases of gonorrhea, syphilis and chlamydia, the highest number of these sexually transmitted diseases ever reported, the Centers for Disease Control and Prevention said Tuesday. "Clearly we need to reverse this disturbing trend," said Dr. Gail Bolan, director of CDC's Division of STD Prevention. "The CDC cannot do this alone and we need every community in America to be aware that this risk is out there and help educate their citizens on how to avoid it." The agency's annual Sexually Transmitted Disease Surveillance Report shows that more than 1.6 million of the new cases were from chlamydia, 470,000 were from gonorrhea and nearly 28,000 cases were primary and secondary syphilis, the most infectious stages of the disease, according to the CDC. While all of these can be cured by antibiotics, many people go undiagnosed and untreated.Dangerous but preventable STDs are on the rise, CDC says2016 saw the highest number of STDs ever reported
Example Output: All it takes is a simple _ test and antibiotic treatment to prevent this tragedy from occurring."

Example Input: (CNN) The Australian Parliament passed a measure Wednesday legalizing medical marijuana. The amendments to the Narcotic Drugs Act will allow cannabis to be legally grown for medical and scientific purposes for the first time in Australia. "This is an historic day for Australia and the many advocates who have fought long and hard to challenge the stigma around medicinal cannabis products so genuine patients are no longer treated as criminals," Minister for Health Sussan Ley said in a statement. "This is the missing piece in a patient's treatment journey and will now see seamless access to locally-produced medicinal cannabis products from farm to pharmacy."Australian Parliament passes a measure to legalize medical marijuanaLucy Haslam petitioned to legalize medical cannabis after her son used it to treat terminal cancerRecreational marijuana remains illegal
Example Output:
Other patients in _ lauded the government for Wednesday's milestone.