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

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

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