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

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

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