*SUPPORT*
IN: wif dax fep OUT: RED PURPLE RED
IN: wif fep OUT: RED PURPLE
IN: wif gazzer OUT: RED RED
IN: fep blicket lug OUT: PURPLE PINK
IN: zup zup zup fep blicket wif OUT: YELLOW YELLOW YELLOW PURPLE RED
IN: wif OUT: RED
IN: zup gazzer OUT: YELLOW YELLOW
IN: wif lug blicket fep OUT: RED PINK PURPLE
IN: wif dax zup OUT: RED YELLOW RED
IN: lug dax fep OUT: PINK PURPLE PINK
IN: fep OUT: PURPLE
IN: zup dax zup OUT: YELLOW YELLOW YELLOW
IN: zup lug gazzer OUT: YELLOW PINK PINK
IN: lug gazzer OUT: PINK PINK

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

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