Given the task definition, example input & output, solve the new input case.
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: For four years we have waited expectantly for the pitter patter of tiny paws. Soon, that wait could finally be over. Tian Tian, the UK's only female giant panda, has conceived and could give birth to a cub as early as August. However Edinburgh Zoo, where the pandas live, have warned people 'not to get too excited' as the process is 'extremely complex'. Moreover, on the two previous occasions keepers inseminated Tian Tian - whose name means 'Sweetie' - she has failed to produce a panda cub. She was artificially inseminated again in March this year, but keepers at the zoo say implantation - when a fertilised egg attaches to the uterus - has not yet occurred.Tian Tian has conceived and could give birth to a cub as early as August. She has been inseminated twice before but so far failed to produce a cubTian Tian and Yang Guang arrived in 2011 from China to great fanfareOn loan at £600k a year, became first giant pandas to live in UK for 17 years
Output: Under the terms of the agreement any cubs will return to _ at the age of two, the age at which they would normally leave their mother in the wild.
This is a good example. Based on the passage you can answer this question.

New input case for you: New York (CNN) -- Sunday's graduation ceremony at Hofstra University was a bittersweet affair marked by a moment of silence for a 21-year-old student killed by a police officer two days ago. Many students at the university in East Garden City, New York, wore white ribbons on their gowns in tribute to Andrea Rebello, CNN affliate WCBS reported. "I want to express our community's collective grief and our sorrow over the senseless and tragic death of a very young member of the Hofstra family," university President Stuart Rabinowitz said. "Our hearts and our thoughts and our prayers are with Andrea's family, and with her friends and classmates, many of whom are in this room this afternoon."Students wear white ribbons at Hofstra's graduationStudent Andrea Rebello was killed by police gunfire, police sayNew York home invasion suspect killed in shootout was Dalton Smith, 30He was on parole for first-degree robbery, Nassau County police say
Output:
_ invaded the home Rebello shared with her twin sister and two others during the predawn hours on Friday.