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

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

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