*SUPPORT*
IN: fep dax OUT: BLUE BLUE
IN: fep wif OUT: BLUE YELLOW
IN: fep dax gazzer kiki OUT: BLUE BLUE GREEN BLUE BLUE
IN: wif dax OUT: YELLOW YELLOW
IN: wif wif dax gazzer wif OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: tufa wif dax gazzer wif OUT: PURPLE YELLOW YELLOW YELLOW PURPLE YELLOW YELLOW
IN: kiki tufa OUT: GREEN PURPLE
IN: fep zup gazzer wif OUT: BLUE BLUE YELLOW BLUE BLUE
IN: fep gazzer fep gazzer fep OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: fep fep zup OUT: BLUE BLUE BLUE
IN: tufa zup OUT: PURPLE PURPLE
IN: fep OUT: BLUE
IN: fep zup gazzer kiki OUT: BLUE BLUE GREEN BLUE BLUE
IN: fep tufa dax OUT: BLUE PURPLE PURPLE

*QUERY*
IN: tufa wif dax OUT: PURPLE YELLOW YELLOW
IN: tufa tufa OUT: PURPLE PURPLE
IN: tufa OUT: PURPLE
IN: kiki OUT: GREEN
IN: fep dax gazzer fep OUT: BLUE BLUE BLUE BLUE BLUE
IN: fep tufa zup gazzer tufa OUT: BLUE PURPLE PURPLE PURPLE BLUE PURPLE PURPLE
IN: tufa fep gazzer tufa OUT: PURPLE BLUE PURPLE PURPLE BLUE
IN: wif OUT: YELLOW
IN: kiki tufa tufa OUT: GREEN PURPLE PURPLE
IN: kiki kiki dax OUT: GREEN GREEN GREEN

*GRAMMAR*
tufa -> PURPLE 
 wif -> YELLOW 
 fep -> BLUE 
 kiki -> GREEN 
 u1 zup -> [u1] [u1] 
 u1 dax -> [u1] [u1] 
 x1 gazzer u1 -> [x1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 