*SUPPORT*
IN: tufa dax zup OUT: PURPLE GREEN
IN: tufa gazzer OUT: PURPLE YELLOW
IN: gazzer blicket kiki OUT: RED YELLOW
IN: kiki dax tufa OUT: RED PURPLE
IN: zup OUT: GREEN
IN: gazzer dax gazzer OUT: YELLOW YELLOW
IN: gazzer blicket zup OUT: GREEN YELLOW
IN: kiki gazzer zup OUT: RED YELLOW GREEN
IN: zup wif tufa blicket gazzer OUT: YELLOW PURPLE GREEN
IN: zup wif gazzer gazzer blicket kiki OUT: YELLOW RED YELLOW GREEN
IN: gazzer wif zup OUT: GREEN YELLOW
IN: tufa zup blicket kiki OUT: PURPLE RED GREEN
IN: zup blicket zup OUT: GREEN GREEN
IN: kiki OUT: RED

*QUERY*
IN: tufa blicket gazzer OUT: YELLOW PURPLE
IN: zup blicket tufa OUT: PURPLE GREEN
IN: gazzer zup OUT: YELLOW GREEN
IN: tufa dax gazzer wif zup dax tufa OUT: GREEN PURPLE PURPLE YELLOW
IN: kiki blicket zup OUT: GREEN RED
IN: kiki wif kiki OUT: RED RED
IN: zup dax zup OUT: GREEN GREEN
IN: tufa tufa dax tufa wif kiki dax gazzer OUT: RED YELLOW PURPLE PURPLE PURPLE
IN: zup zup dax kiki wif tufa dax kiki OUT: PURPLE RED GREEN GREEN RED
IN: gazzer dax tufa OUT: YELLOW PURPLE

*GRAMMAR*
zup -> GREEN 
 gazzer -> YELLOW 
 tufa -> PURPLE 
 kiki -> RED 
 x1 wif x2 -> [x2] [x1] 
 u1 dax u2 -> [u1] [u2] 
 u1 blicket u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 