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

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

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