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

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

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