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

*QUERY*
IN: kiki zup lug wif OUT: PURPLE GREEN RED
IN: kiki blicket OUT: PURPLE PURPLE PURPLE
IN: fep OUT: YELLOW
IN: kiki OUT: PURPLE
IN: kiki lug fep dax OUT: YELLOW PURPLE YELLOW PURPLE
IN: wif lug wif OUT: GREEN GREEN
IN: fep fep OUT: YELLOW YELLOW
IN: zup zup kiki zup wif lug fep OUT: RED RED PURPLE RED YELLOW GREEN
IN: fep lug wif OUT: GREEN YELLOW
IN: fep dax OUT: YELLOW YELLOW

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