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

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

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