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

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

*GRAMMAR*
tufa -> RED 
 kiki -> PURPLE 
 wif -> GREEN 
 lug -> BLUE 
 x1 zup -> [x1] [x1] 
 x1 dax x2 -> [x2] [x1] 
 u1 fep -> [u1] [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 