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

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

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