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

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

*GRAMMAR*
dax -> BLUE 
 zup -> PURPLE 
 kiki -> PINK 
 fep -> GREEN 
 x1 gazzer x2 -> [x1] [x2] 
 u1 wif -> [u1] [u1] 
 u1 tufa x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 