*SUPPORT*
IN: kiki fep OUT: YELLOW YELLOW
IN: gazzer tufa OUT: BLUE RED
IN: tufa zup dax OUT: RED PINK RED
IN: tufa wif OUT: RED RED
IN: tufa wif fep OUT: RED RED RED RED
IN: kiki kiki zup gazzer fep OUT: YELLOW YELLOW BLUE YELLOW YELLOW YELLOW BLUE YELLOW
IN: gazzer wif OUT: BLUE BLUE
IN: dax zup tufa fep OUT: PINK RED PINK PINK RED PINK
IN: tufa tufa tufa wif OUT: RED RED RED RED
IN: gazzer zup dax OUT: BLUE PINK BLUE
IN: dax wif OUT: PINK PINK
IN: kiki wif OUT: YELLOW YELLOW
IN: dax kiki gazzer wif OUT: PINK YELLOW BLUE BLUE
IN: kiki fep fep OUT: YELLOW YELLOW YELLOW YELLOW

*QUERY*
IN: gazzer zup kiki OUT: BLUE YELLOW BLUE
IN: kiki zup kiki OUT: YELLOW YELLOW YELLOW
IN: tufa zup kiki OUT: RED YELLOW RED
IN: gazzer gazzer zup dax OUT: BLUE BLUE PINK BLUE
IN: dax gazzer wif OUT: PINK BLUE BLUE
IN: kiki zup dax OUT: YELLOW PINK YELLOW
IN: gazzer OUT: BLUE
IN: gazzer tufa fep OUT: BLUE RED BLUE RED
IN: kiki OUT: YELLOW
IN: tufa OUT: RED

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