premise: At a concert, exactly eight compositions—F, H, L, O, P, R, S, and T—are to be performed exactly once each, consecutively and one composition at a time. The order of their performance must satisfy the following conditions: T is performed either immediately before F or immediately after R. At least two compositions are performed either after F and before R, or after R and before F. O is performed either first or fifth. The eighth composition performed is either L or H. P is performed at some time before S. At least one composition is performed either after O and before S, or after S and before O. If P is performed third and S is performed sixth, the composition performed fifth must be either
hypothesis: H or L