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

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

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