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

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

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