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

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

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