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

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

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