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

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

*GRAMMAR*
fep -> YELLOW 
 wif -> RED 
 dax -> GREEN 
 blicket -> PINK 
 x1 lug x2 -> [x2] [x1] 
 u1 tufa -> [u1] [u1] [u1] 
 u1 zup u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 