*SUPPORT*
IN: fep zup wif OUT: PINK BLUE
IN: fep wif blicket dax OUT: PINK BLUE BLUE PURPLE
IN: lug OUT: GREEN
IN: lug blicket fep OUT: GREEN GREEN PINK
IN: fep zup fep gazzer OUT: PINK PINK PINK PINK
IN: dax gazzer OUT: PURPLE PURPLE
IN: dax zup dax OUT: PURPLE PURPLE
IN: wif wif zup wif OUT: BLUE BLUE BLUE
IN: fep zup dax OUT: PINK PURPLE
IN: wif lug gazzer OUT: BLUE GREEN BLUE GREEN
IN: lug zup lug OUT: GREEN GREEN
IN: dax OUT: PURPLE
IN: fep lug gazzer OUT: PINK GREEN PINK GREEN
IN: wif zup wif OUT: BLUE BLUE

*QUERY*
IN: fep OUT: PINK
IN: fep zup lug OUT: PINK GREEN
IN: fep dax zup fep gazzer OUT: PINK PURPLE PINK PINK PURPLE PINK
IN: fep dax OUT: PINK PURPLE
IN: lug blicket dax OUT: GREEN GREEN PURPLE
IN: wif blicket dax OUT: BLUE BLUE PURPLE
IN: dax blicket dax OUT: PURPLE PURPLE PURPLE
IN: wif gazzer gazzer OUT: BLUE BLUE BLUE BLUE
IN: fep blicket wif OUT: PINK PINK BLUE
IN: dax blicket fep OUT: PURPLE PURPLE PINK

*GRAMMAR*
fep -> PINK 
 dax -> PURPLE 
 wif -> BLUE 
 lug -> GREEN 
 u1 blicket u2 -> [u1] [u1] [u2] 
 x1 gazzer -> [x1] [x1] 
 u1 zup u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 