Evaluate if the hypothesis neither contradicts nor follows from the premise. Premise: Not until 1998 did al Qaeda undertake a major terrorist operation of its own, in large part because Bin Ladin lost his base in Sudan. Hypothesis: al Qaeda's first major terrorist attack was in 1993.
Not until 1998 did al Qaeda undertake a major terrorist operation of its own, in large part because Bin Ladin lost his base in Sudan.###al Qaeda's first major terrorist attack was in 1993.