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

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

*GRAMMAR*
wif -> RED 
 fep -> YELLOW 
 kiki -> PURPLE 
 blicket -> GREEN 
 x1 dax x2 -> [x2] [x2] [x1] [x2] 
 x1 lug -> [x1] [x1] 
 u1 tufa -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 