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

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

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