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

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

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