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

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

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