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

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

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