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

*QUERY*
IN: wif wif kiki lug OUT: PINK GREEN PINK
IN: lug OUT: GREEN
IN: dax kiki dax OUT: YELLOW YELLOW
IN: dax OUT: YELLOW
IN: wif kiki wif OUT: PINK PINK
IN: wif zup wif OUT: PINK PINK
IN: wif kiki dax OUT: YELLOW PINK
IN: dax kiki wif OUT: PINK YELLOW
IN: wif kiki lug OUT: GREEN PINK
IN: wif zup dax kiki lug OUT: GREEN YELLOW PINK

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