*SUPPORT*
IN: wif wif blicket wif lug fep OUT: BLUE PINK BLUE PINK PINK PINK BLUE PINK
IN: wif lug zup lug kiki OUT: GREEN RED PINK
IN: kiki dax fep lug wif OUT: PINK GREEN BLUE GREEN BLUE
IN: zup kiki dax fep OUT: RED GREEN BLUE GREEN BLUE
IN: fep dax fep OUT: BLUE BLUE BLUE BLUE
IN: wif zup dax zup OUT: PINK RED RED RED RED
IN: zup zup dax kiki OUT: RED RED GREEN RED GREEN
IN: fep lug zup lug fep OUT: BLUE RED BLUE
IN: zup OUT: RED
IN: fep OUT: BLUE
IN: wif OUT: PINK
IN: kiki OUT: GREEN
IN: fep lug wif OUT: PINK BLUE
IN: zup dax fep OUT: RED BLUE RED BLUE

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

*GRAMMAR*
wif -> PINK 
 zup -> RED 
 kiki -> GREEN 
 fep -> BLUE 
 x1 blicket x2 -> [x2] [x2] [x1] [x2] 
 u1 dax u2 -> [u1] [u2] [u1] [u2] 
 x1 lug u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 