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

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

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