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

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

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