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

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

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