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

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

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