*SUPPORT*
IN: dax OUT: YELLOW
IN: gazzer wif fep OUT: RED RED RED PURPLE PURPLE
IN: dax lug OUT: YELLOW YELLOW YELLOW
IN: fep dax gazzer gazzer tufa OUT: PURPLE YELLOW RED RED PURPLE YELLOW RED RED
IN: fep tufa OUT: PURPLE PURPLE
IN: zup OUT: GREEN
IN: dax zup OUT: YELLOW GREEN
IN: dax dax fep tufa OUT: YELLOW YELLOW PURPLE YELLOW YELLOW PURPLE
IN: fep gazzer OUT: PURPLE RED
IN: dax fep OUT: YELLOW PURPLE
IN: gazzer zup lug OUT: RED GREEN RED GREEN RED GREEN
IN: zup tufa OUT: GREEN GREEN
IN: gazzer lug tufa OUT: RED RED RED RED RED RED
IN: fep OUT: PURPLE

*QUERY*
IN: zup tufa wif fep OUT: GREEN GREEN GREEN GREEN GREEN GREEN PURPLE PURPLE
IN: gazzer zup wif fep OUT: RED GREEN RED GREEN RED GREEN PURPLE PURPLE
IN: dax tufa OUT: YELLOW YELLOW
IN: gazzer zup OUT: RED GREEN
IN: zup fep OUT: GREEN PURPLE
IN: gazzer tufa OUT: RED RED
IN: fep lug OUT: PURPLE PURPLE PURPLE
IN: gazzer OUT: RED
IN: dax zup lug OUT: YELLOW GREEN YELLOW GREEN YELLOW GREEN
IN: dax wif dax OUT: YELLOW YELLOW YELLOW YELLOW YELLOW

*GRAMMAR*
gazzer -> RED 
 dax -> YELLOW 
 zup -> GREEN 
 fep -> PURPLE 
 x1 lug -> [x1] [x1] [x1] 
 x1 wif u1 -> [x1] [x1] [x1] [u1] [u1] 
 x1 tufa -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 