Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: (CNN) On a hot and sticky summer day in Manhattan, Nicole Levin was leaving a dentist appointment when it happened. The 41-year-old New Yorker exited a subway train, walked up a flight of concrete stairs to the bustling city street, and suddenly felt her tongue and throat swell. She started to sweat. She felt nauseous, short of breath and couldn't swallow. If Levin let any more time pass, she knew she wouldn't be able to breathe. She frantically opened her purse, wrapped her fingers around an EpiPen, and jammed it into her thigh beneath her workout pants. Immediately, she felt her throat open. She took in a deep breath of air -- a sigh of relief.The soaring cost of EpiPens has left many consumers with sticker shockAmericans are spending about 20% more on prescription drugs than in 2013, experts say 
 Question:"Not only have I seen it save lives, but I've seen the opposite happen, of when an _ wasn't available and both children and adults passed away."

EpiPen