42. The at least one computer-readable storage medium of claim 41 , wherein the method further comprises selecting a second corresponding text fragment for a second portion of the input text, wherein selecting the second corresponding text fragment comprises: identifying a first marker included in the second portion of the input text; identifying a class of the first marker; and selecting the second corresponding text fragment based at least in part on the second corresponding text fragment comprising a second marker of the same class as the first marker.
42. The at least one computer-readable storage medium of claim 41 , wherein the method further comprises selecting a second corresponding text fragment for a second portion of the input text, wherein selecting the second corresponding text fragment comprises: identifying a first marker included in the second portion of the input text; identifying a class of the first marker; and selecting the second corresponding text fragment based at least in part on the second corresponding text fragment comprising a second marker of the same class as the first marker. 44. The at least one computer-readable storage medium of claim 42 , wherein determining the alignment comprises aligning the second marker with the first marker.