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

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

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