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

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

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