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

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

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