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

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

*GRAMMAR*
kiki -> GREEN 
 tufa -> BLUE 
 fep -> PINK 
 gazzer -> RED 
 x1 zup u1 -> [x1] [u1] 
 x1 wif x2 -> [x1] [x2] [x1] [x1] 
 u1 dax u2 -> [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 