7、Among subjects who hadn't eaten the raisin, those who were told they'd been rejected by the group became aggressive, inflicting long and painful sonic blasts without provocation.
4、The terrorists can strike at any time without provocation.
2、The soldiers fired without provocation.
1、Beholders often attack without provocation.
3、The Chinese navy is acting without provocation.
6、A unit of the SSA North's First Brigade attacked without provocation.
5、Jack would not have hit the boy without provocation.