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

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

*GRAMMAR*
fep -> GREEN 
 gazzer -> YELLOW 
 zup -> BLUE 
 dax -> PINK 
 x1 kiki x2 -> [x2] [x1] [x2] [x2] [x1] 
 x1 tufa -> [x1] [x1] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 