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

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

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