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

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

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