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

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

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