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

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

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