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

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

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