TASK DEFINITION: In this task, you are given a question and a context passage. You have to answer the question based on the given passage.
PROBLEM: Of Tito and Stalin, who was considered the overall leader?, Context: In the first post war years Tito was widely considered a communist leader very loyal to Moscow, indeed, he was often viewed as second only to Stalin in the Eastern Bloc. In fact, Stalin and Tito had an uneasy alliance from the start, with Stalin considering Tito too independent.

SOLUTION: Stalin

PROBLEM: Which judge on American Idol was on more seasons, Keith Urban or Jennifer Lopez?, Context: Fox announced on May 11, 2015 that the fifteenth season would be the final season of American Idol; as such, the season is expected to have an additional focus on the program's alumni. Ryan Seacrest returns as host, with Harry Connick Jr., Keith Urban, and Jennifer Lopez all returning for their respective third, fourth, and fifth seasons as judges.

SOLUTION: Jennifer Lopez

PROBLEM: Milling is a form of?, Context: When maintenance is performed on asphalt pavements, such as milling to remove a worn or damaged surface, the removed material can be returned to a facility for processing into new pavement mixtures. The asphalt/bitumen in the removed material can be reactivated and put back to use in new pavement mixes. With some 95% of paved roads being constructed of or surfaced with asphalt, a substantial amount of asphalt pavement material is reclaimed each year. According to industry surveys conducted annually by the Federal Highway Administration and the National Asphalt Pavement Association, more than 99% of the asphalt removed each year from road surfaces during widening and resurfacing projects is reused as part of new pavements, roadbeds, shoulders and embankments.

SOLUTION:
maintenance