Transform the word in brackets so that it fits the text both lexically and grammatically. Write the answer in capitals without gaps.

Piranhas are South American fish. There are lots of scary stories about them. Most people think that piranhas are very _____DANGER____ creatures. However, a ____SCIENCE___ from St Andrews University, Anne Magurran, has recently announced that to call piranhas cruel killers is not fair. They ____USUAL____ eat fish, plants and insects. According to Professor Anne Magurran, piranhas attack people and animals only when they want to defend themselves. However, most travellers strongly __AGREE_____ with this point of view. They recommend keeping away from the water where piranhas live. When the fish attack in groups, it is practically ___POSSIBLE_____ to survive. Whatever your opinion of piranhas, this is a \(USE\) piece of advice one should follow.