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

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

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