TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2. Your job is to write a single word that describes the genre that the two sentences belong to, such as face-to-face, government, letters, 9/11, slate, telephone, travel, verbatim, oup, fiction.
PROBLEM: Sentence 1: Combination of SCR and FGD will also result in significant reduction of mercury emissions, thereby mitigating the need for the addition of ACI. Sentence 2: An increase in mercury will mitigate the need for the addition of ACI.

SOLUTION: government

PROBLEM: Sentence 1: (Here's the schedule for remaining performances.) Sentence 2: There is no schedule, all of the performances have ended. 

SOLUTION: slate

PROBLEM: Sentence 1: At the very crest of the hill, you will find the Old Observatory, the only building designed by James Craig left in the city; it was completed in 1792. Sentence 2: James Craig built other buildings but they all fell down.  

SOLUTION:
travel