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

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

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