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

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

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