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

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

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