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

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

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