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

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

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