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

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

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