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

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

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