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

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

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