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

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

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