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

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

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