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

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

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