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

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

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