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

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

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