*SUPPORT*
IN: dax wif zup OUT: PINK YELLOW
IN: dax zup OUT: YELLOW PINK
IN: blicket wif fep OUT: RED GREEN
IN: blicket blicket dax OUT: GREEN GREEN YELLOW
IN: zup OUT: PINK
IN: dax blicket OUT: YELLOW GREEN
IN: fep OUT: RED
IN: zup wif fep OUT: RED PINK
IN: zup blicket wif fep lug dax dax OUT: YELLOW YELLOW PINK RED GREEN
IN: blicket fep OUT: GREEN RED
IN: blicket dax OUT: GREEN YELLOW
IN: blicket wif zup OUT: PINK GREEN
IN: blicket OUT: GREEN
IN: zup lug zup blicket wif blicket OUT: PINK GREEN GREEN PINK

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

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