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

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

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