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

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

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