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

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

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