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

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

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