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

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

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