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

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

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