Tunisia's sovereignty over its natural resources has become a controverisal issue after the 2011 revolution. One of the most notorious cases that has sparked outrage is the allowance given to a French company to extract Tunisian salt for the same price since 1949.
The revolution in Tunisia did not happen in an even numbered year.
( z1 revolution :polarity - :location ( z2 country :name ( z3 name :op "Tunisia" ) ) :time ( z4 year :ARG1-of ( z5 number :ARG2 ( z6 even ) ) ) )