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

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

*GRAMMAR*
wif -> GREEN 
 blicket -> RED 
 fep -> BLUE 
 dax -> PINK 
 x1 kiki x2 -> [x2] [x1] [x1] [x2] 
 x1 zup x2 -> [x2] [x1] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 