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

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

*GRAMMAR*
blicket -> GREEN 
 wif -> BLUE 
 tufa -> PURPLE 
 lug -> RED 
 x1 fep u1 -> [x1] [u1] 
 x1 gazzer x2 -> [x2] [x1] 
 x1 kiki u1 -> [x1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 