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

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

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