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

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

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