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

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

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