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

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

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