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

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

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