Islamic extremists can be with links to a (terror network).Logical formLearned from9 sentences. A (terror attack) can be in American history.Logical formLearned from9 sentences. Attacks can be to a (terror network).Logical formLearned from9 sentences. Part may pertain-to a (terror plot).Logical formLearned from9 sentences. Some attacks may be blamed on a (terror network).Logical formLearned from9 sentences. A role can be in (terror bombings).Logical formLearned from9 sentences. A country may increase a (terror threat level).Logical formLearned from9 sentences. Persons may prevent acts of terror.Logical formLearned from9 sentences. A (terror threat) can be worse.Logical formLearned from9 sentences. (Terror funding) may undergo an investigation.Logical formLearned from9 sentences. Millions may die during a reign of terror.Logical formLearned from9 sentences. Information can be about (terror threats).Logical formLearned from9 sentences. A result may pertain-to a (terror threat).Logical formLearned from9 sentences. A terror can be intolerable.Logical formLearned from9 sentences. Alerts can be constituted-of-or-filled-with (terror attacks).Logical formLearned from9 sentences.