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

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

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