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 123 (Milk Collection) — Constraint detection

A small milk processing company is committed to collecting milk from 20 farms and taking it back to the depot for processing . The company has one tanker lorry with a capacity for carrying 80000 litres of milk . Eleven of the farms are small and need a collection only every other day . The other nine farms need a collection every day . The positions of the farms in relation to the depot -LRB- numbered 1 -RRB- are given in a table together with their collection requirements . Find the optimal route for the tanker lorry on each day , bearing in mind that it has to -LRB- i -RRB- visit all the `` every day '' farms , -LRB- ii -RRB- visit some of the `` every other day '' farms and -LRB- iii -RRB- work within its capacity . On alternate days , it must again visit the `` every day '' farms and also visit the `` every other day '' farms not visited on the previous day . For convenience , a map of the area considered is given in a figure .

Problem 123 (Milk Collection) — Detection of the decisions and objects to be modeled

A small milk processing company is committed to collecting milk from 20 farms and taking it back to the depot for processing . The company has one tanker lorry with a capacity for carrying 80000 litres of milk . Eleven of the farms are small and need a collection only every other day . The other nine farms need a collection every day . The positions of the farms in relation to the depot -LRB- numbered 1 -RRB- are given in a table together with their collection requirements . Find the optimal route for the tanker lorry on each day , bearing in mind that it has to -LRB- i -RRB- visit all the `` every day '' farms , -LRB- ii -RRB- visit some of the `` every other day '' farms and -LRB- iii -RRB- work within its capacity . On alternate days , it must again visit the `` every day '' farms and also visit the `` every other day '' farms not visited on the previous day . For convenience , a map of the area considered is given in a figure .

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