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

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

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