*SUPPORT*
IN: tufa zup dax OUT: PURPLE PURPLE BLUE
IN: lug zup fep OUT: YELLOW YELLOW PINK
IN: lug zup lug wif lug OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax kiki OUT: BLUE BLUE BLUE BLUE BLUE
IN: fep zup tufa wif tufa OUT: PINK PINK PURPLE PURPLE PURPLE PINK PINK PURPLE
IN: dax zup fep OUT: BLUE BLUE PINK
IN: dax zup tufa OUT: BLUE BLUE PURPLE
IN: fep zup tufa OUT: PINK PINK PURPLE
IN: tufa zup tufa OUT: PURPLE PURPLE PURPLE
IN: dax zup lug OUT: BLUE BLUE YELLOW
IN: fep tufa dax OUT: PINK PURPLE BLUE
IN: fep zup dax OUT: PINK PINK BLUE
IN: lug tufa zup tufa OUT: YELLOW PURPLE PURPLE PURPLE
IN: lug zup tufa wif tufa OUT: YELLOW YELLOW PURPLE PURPLE PURPLE YELLOW YELLOW PURPLE

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

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