*SUPPORT*
IN: dax fep lug OUT: PURPLE PINK PURPLE PINK
IN: zup wif kiki OUT: RED GREEN GREEN GREEN
IN: wif OUT: GREEN
IN: dax kiki OUT: PURPLE PURPLE PURPLE
IN: fep tufa dax OUT: PURPLE PURPLE PINK
IN: fep kiki lug OUT: PINK PINK PINK PINK PINK PINK
IN: dax tufa wif kiki OUT: GREEN GREEN GREEN GREEN GREEN GREEN PURPLE
IN: wif kiki OUT: GREEN GREEN GREEN
IN: zup dax kiki lug OUT: RED PURPLE PURPLE PURPLE RED PURPLE PURPLE PURPLE
IN: zup wif kiki lug OUT: RED GREEN GREEN GREEN RED GREEN GREEN GREEN
IN: wif dax kiki OUT: GREEN PURPLE PURPLE PURPLE
IN: fep OUT: PINK
IN: dax zup OUT: PURPLE RED
IN: fep dax OUT: PINK PURPLE

*QUERY*
IN: dax tufa wif OUT: GREEN GREEN PURPLE
IN: zup OUT: RED
IN: zup kiki lug OUT: RED RED RED RED RED RED
IN: zup kiki OUT: RED RED RED
IN: dax OUT: PURPLE
IN: fep tufa fep lug OUT: PINK PINK PINK PINK PINK
IN: fep lug OUT: PINK PINK
IN: zup tufa dax kiki OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE RED
IN: dax wif kiki OUT: PURPLE GREEN GREEN GREEN
IN: zup zup kiki lug OUT: RED RED RED RED RED RED RED RED

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