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

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

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