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

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

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