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

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

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