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

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

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