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

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

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