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

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

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