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

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

*GRAMMAR*
wif -> GREEN 
 gazzer -> BLUE 
 lug -> PINK 
 fep -> RED 
 u1 blicket u2 -> [u1] [u2] 
 u1 tufa -> [u1] [u1] [u1] 
 x1 dax x2 -> [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 