4)
1.hijack
2.wounded
3.purification
4.pacifist
5.gun
6.fill
5)
1.bombing-detonator,suicide bomber,to defuse
2.assassination-rifle,hit man,bodyguard
3.hostages,seize controlultimatum
4.hijacking-ranson,hide-out,abduct
5.chemical attack-disease,virus,epidermic
6.biological warfare-poisonous gas,toxic fumes
3) Nu Stiu