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

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

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