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

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

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