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

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

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