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

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

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