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

*QUERY*
IN: lug zup tufa OUT: BLUE BLUE GREEN
IN: tufa blicket zup tufa OUT: BLUE BLUE BLUE BLUE BLUE
IN: tufa blicket dax OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: fep blicket OUT: PINK PINK PINK
IN: lug blicket dax OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: tufa OUT: BLUE
IN: fep blicket dax OUT: PINK PINK PINK PINK PINK PINK
IN: lug OUT: GREEN
IN: tufa lug blicket OUT: BLUE GREEN GREEN GREEN
IN: fep OUT: PINK

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