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

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

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