Correct predictions are in blue. If we detect only a subset of a labelled sentence, we highlight the caught part as blue, the missing part light blue. False positives are in green and false negatives are in red.

Problem Staff_Assignment — Constraint detection

A fast-food franchise runs from 8am to 8pm on Monday to Friday . Each working day is divided into three 4-hour shifts : breakfast from 8am to 12noon , lunch from 12noon to 4pm , dinner from 4pm to 8pm . Each shift demands three types of personnel : cook , cashier , and cleaner . Each of its personnel is capable of performing a subset of these tasks . Some people may not be available on certain days . If scheduled , each person works 8 hours a day -LRB- 2 shifts in this case -RRB- , and prefers the shifts to be consecutive . Also , if the person works on a night shift , he or she prefers not to work on the morning shift the next day . The objective is to find a balanced assignment of workers to shifts that minimizes the total number of unfilled slots .

Problem Staff_Assignment — Detection of the decisions and objects to be modeled

A fast-food franchise runs from 8am to 8pm on Monday to Friday . Each working day is divided into three 4-hour shifts : breakfast from 8am to 12noon , lunch from 12noon to 4pm , dinner from 4pm to 8pm . Each shift demands three types of personnel : cook , cashier , and cleaner . Each of its personnel is capable of performing a subset of these tasks . Some people may not be available on certain days . If scheduled , each person works 8 hours a day -LRB- 2 shifts in this case -RRB- , and prefers the shifts to be consecutive . Also , if the person works on a night shift , he or she prefers not to work on the morning shift the next day . The objective is to find a balanced assignment of workers to shifts that minimizes the total number of unfilled slots .

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