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

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

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