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

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

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