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

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

*GRAMMAR*
lug -> BLUE 
 tufa -> RED 
 wif -> PURPLE 
 fep -> GREEN 
 u1 blicket u2 -> [u1] [u2] 
 u1 kiki -> [u1] [u1] [u1] [u1] 
 u1 gazzer u2 -> [u1] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 