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

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

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