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

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

*GRAMMAR*
gazzer -> GREEN 
 lug -> PINK 
 fep -> YELLOW 
 zup -> RED 
 u1 dax u2 -> [u1] [u2] 
 x1 tufa x2 -> [x2] [x1] 
 u1 blicket -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 