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

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

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