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

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

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