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

*QUERY*
IN: wif dax OUT: PURPLE YELLOW
IN: tufa OUT: PINK
IN: lug fep OUT: RED RED
IN: tufa tufa fep OUT: PINK PINK PINK
IN: wif tufa kiki wif blicket wif OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PINK
IN: dax blicket lug OUT: RED RED RED RED YELLOW RED
IN: wif fep OUT: PURPLE PURPLE
IN: tufa kiki tufa fep OUT: PINK PINK PINK
IN: lug wif lug kiki lug fep OUT: RED RED RED PURPLE RED
IN: wif tufa OUT: PURPLE PINK

*GRAMMAR*
tufa -> PINK 
 wif -> PURPLE 
 dax -> YELLOW 
 lug -> RED 
 u1 fep -> [u1] [u1] 
 x1 kiki x2 -> [x2] [x1] 
 x1 blicket x2 -> [x2] [x2] [x2] [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 