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

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

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