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

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

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