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

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

*GRAMMAR*
lug -> PURPLE 
 wif -> RED 
 fep -> GREEN 
 gazzer -> BLUE 
 x1 tufa x2 -> [x1] [x2] [x2] [x1] 
 u1 zup u2 -> [u2] [u2] [u1] 
 u1 dax -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 