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

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

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