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

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

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