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

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

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