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

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

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