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

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

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