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

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

*GRAMMAR*
dax -> YELLOW 
 fep -> GREEN 
 gazzer -> RED 
 blicket -> PINK 
 u1 wif u2 -> [u1] [u2] 
 x1 lug x2 -> [x1] [x1] [x2] [x1] 
 u1 kiki -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 