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

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

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