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

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

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