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

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

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