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

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

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