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

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

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