Six persons D, E, F, G, H, and I stand in a queue according to their weight. Who among the following is just heavier than D? Statement I: H is heavier than at least two persons. G is heavier than H. E is heavier than G. D is heavier than both F and
I. D is heavier than H but lighter than G. Statement II: G is heavier than F, who is just heavier than
I. E is heavier than H, D, and G. G is not the third heaviest. H is lighter than G.

From statement I alone, H is heavier than at least two persons. G is heavier than H. E is heavier than G. D is heavier than both F and I. D is heavier than H but lighter than G. We get: E > G > D > H > F/I> I/F So, from statement I alone, we get G is just heavier than D. From statement II alone, we get: G is heavier than F, who is just heavier than I. E is heavier than H, D and G. G is not third heaviest. H is lighter than G. We get: Case 1: E > G > F > I > D/H > H/D Case 2: E > G > H/D > D/H > F > I Case 3: E > G > H/D > F > I > D/H So, from statement II alone, we cannot determine who is just heavier than D. Therefore, data given in statement I alone is sufficient to answer the question.