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

*QUERY*
IN: lug fep lug OUT: RED RED
IN: lug zup OUT: RED PURPLE
IN: zup kiki zup OUT: PURPLE PURPLE
IN: zup fep tufa OUT: GREEN PURPLE
IN: tufa fep lug OUT: RED GREEN
IN: tufa fep tufa blicket OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: tufa OUT: GREEN
IN: lug fep tufa OUT: GREEN RED
IN: zup fep zup OUT: PURPLE PURPLE
IN: zup fep lug OUT: RED PURPLE

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