*SUPPORT*
IN: gazzer wif zup tufa OUT: GREEN PURPLE BLUE GREEN PURPLE BLUE
IN: wif OUT: PURPLE
IN: blicket dax blicket tufa OUT: RED RED RED
IN: wif wif fep zup OUT: PURPLE PURPLE BLUE
IN: blicket fep zup OUT: RED BLUE
IN: zup tufa OUT: BLUE BLUE
IN: zup blicket OUT: BLUE RED
IN: blicket OUT: RED
IN: gazzer zup tufa OUT: GREEN BLUE GREEN BLUE
IN: wif wif gazzer tufa OUT: PURPLE PURPLE GREEN PURPLE PURPLE GREEN
IN: gazzer gazzer tufa OUT: GREEN GREEN GREEN GREEN
IN: blicket tufa OUT: RED RED
IN: gazzer tufa OUT: GREEN GREEN
IN: wif tufa fep zup OUT: PURPLE PURPLE BLUE

*QUERY*
IN: gazzer zup OUT: GREEN BLUE
IN: zup wif gazzer tufa OUT: BLUE PURPLE GREEN BLUE PURPLE GREEN
IN: zup OUT: BLUE
IN: wif tufa OUT: PURPLE PURPLE
IN: blicket fep zup tufa OUT: RED BLUE BLUE
IN: gazzer wif OUT: GREEN PURPLE
IN: gazzer gazzer dax gazzer OUT: GREEN GREEN GREEN
IN: gazzer fep wif OUT: GREEN PURPLE
IN: blicket tufa dax wif zup tufa OUT: PURPLE BLUE PURPLE BLUE RED RED
IN: blicket zup tufa OUT: RED BLUE RED BLUE

*GRAMMAR*
zup -> BLUE 
 blicket -> RED 
 gazzer -> GREEN 
 wif -> PURPLE 
 x1 dax x2 -> [x2] [x1] 
 x1 fep x2 -> [x1] [x2] 
 x1 tufa -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 