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

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

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