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

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

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