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

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

*GRAMMAR*
blicket -> GREEN 
 wif -> PINK 
 dax -> YELLOW 
 kiki -> RED 
 x1 lug x2 -> [x1] [x2] 
 x1 fep -> [x1] [x1] 
 u1 gazzer u2 -> [u2] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 