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

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

*GRAMMAR*
fep -> PURPLE 
 zup -> BLUE 
 lug -> PINK 
 wif -> RED 
 u1 dax -> [u1] [u1] 
 x1 kiki x2 -> [x2] [x1] [x2] 
 x1 tufa u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 