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

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

*GRAMMAR*
fep -> YELLOW 
 blicket -> GREEN 
 gazzer -> RED 
 lug -> PURPLE 
 u1 dax u2 -> [u2] [u1] 
 u1 tufa -> [u1] [u1] 
 u1 zup -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 