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

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

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