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

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

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