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

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

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