*SUPPORT*
IN: tufa kiki blicket tufa blicket fep blicket fep OUT: PURPLE PURPLE PURPLE PINK PINK
IN: wif OUT: BLUE
IN: lug kiki OUT: RED RED
IN: lug gazzer tufa fep blicket tufa OUT: PURPLE PINK PURPLE RED
IN: lug OUT: RED
IN: lug lug fep tufa gazzer lug OUT: RED RED PINK RED PURPLE
IN: tufa gazzer wif kiki OUT: BLUE BLUE PURPLE
IN: tufa OUT: PURPLE
IN: fep gazzer lug OUT: RED PINK
IN: lug gazzer lug OUT: RED RED
IN: tufa fep kiki OUT: PURPLE PINK PINK
IN: fep OUT: PINK
IN: lug lug gazzer lug OUT: RED RED RED
IN: fep tufa lug kiki blicket wif OUT: PINK PURPLE RED RED BLUE

*QUERY*
IN: fep gazzer tufa OUT: PURPLE PINK
IN: tufa kiki OUT: PURPLE PURPLE
IN: tufa fep OUT: PURPLE PINK
IN: wif lug kiki blicket lug blicket tufa OUT: BLUE RED RED RED PURPLE
IN: lug fep gazzer lug blicket tufa OUT: RED RED PINK PURPLE
IN: wif gazzer lug blicket wif OUT: RED BLUE BLUE
IN: wif gazzer fep wif OUT: PINK BLUE BLUE
IN: fep kiki OUT: PINK PINK
IN: wif gazzer fep blicket fep blicket lug OUT: PINK PINK RED BLUE
IN: wif gazzer tufa blicket tufa OUT: PURPLE PURPLE BLUE

*GRAMMAR*
tufa -> PURPLE 
 wif -> BLUE 
 fep -> PINK 
 lug -> RED 
 u1 kiki -> [u1] [u1] 
 u1 gazzer x1 -> [x1] [u1] 
 x1 blicket u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 