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

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

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