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

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

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