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

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

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