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

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

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