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

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

*GRAMMAR*
fep -> RED 
 lug -> BLUE 
 gazzer -> GREEN 
 dax -> YELLOW 
 x1 tufa u1 -> [u1] [x1] 
 x1 zup x2 -> [x1] [x2] [x1] 
 u1 wif -> [u1] [u1] [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 