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

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

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