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

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

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