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

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

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