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

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

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