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

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

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