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

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

*GRAMMAR*
fep -> BLUE 
 kiki -> GREEN 
 wif -> PINK 
 dax -> YELLOW 
 x1 blicket x2 -> [x1] [x1] [x1] [x2] 
 u1 zup -> [u1] [u1] 
 u1 lug -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 