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

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

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