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

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

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