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

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

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