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

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

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