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

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

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