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

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

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