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

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

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