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

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

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