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

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

*GRAMMAR*
zup -> GREEN 
 blicket -> BLUE 
 dax -> PURPLE 
 wif -> RED 
 u1 gazzer -> [u1] [u1] 
 x1 lug -> [x1] [x1] [x1] 
 u1 fep u2 -> [u1] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 