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Interim SummaryThe scenarios described in §7.4.1—§7.4.3 can be summarized in the schematic graph in (0). In the graph, the x-axis represents tonal candidates. Since all *Dur constraints are always ranked on the top tier in the scenarios described so far, I only consider candidates that respect these constraints, i.e., candidates with no lengthening. The leftmost candidate on the x-axis is the most faithfulness to the input, with no flattening at all—(f, d). The rightmost candidate is the one with complete flattening—(0, d). d is the sonorous rime duration of the candidate rime, and it is the same in all the candidates considered here. The y-axis represents constraint ranking—the higher the y value, the higher the ranking. The curves in the graph represent the highest ranked constraints in the *Contour(x)-CCONTOUR(R) and Pres(Tone, i) families that the candidates on the x-axis violate. (0) Interaction of *Contour(x)-CCONTOUR(R) and Pres(Tone, i) yielding different degrees of contour reduction: 
The thick black lines in the graph indicate the ranking of the two constraint families that ensures the faithful realization of the pitch excursion f, which is the leftmost candidate on the x-axis. The highest ranked constraint it violates is *Contour(T)-CCONTOUR(R). Any other candidate towards the right, which deviates from the input, will induce the violation of a higher ranked Pres(Tone, i) constraint. The thin black lines indicate the ranking that produces partial reduction of the contour to f-f0, which is the candidate on the x-axis that corresponds to the point of intersection of the two curves. Any candidate towards the left violates a higher ranked *Contour(x)-CCONTOUR(R) constraint, and any candidate towards the right violates a higher ranked Pres(Tone, i) constraint. The gray lines indicate the ranking that forces complete reduction of the contour tone to a level tone, which is the rightmost candidate on the x-axis. The highest ranked constraint it violates is the highest ranked Pres(Tone, i) constraint. Any other candidate towards the left, which deviates less from the input, will induce the violation of a higher ranked *Contour(x)-CCONTOUR(R) constraint.
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