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

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

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