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

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

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