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

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

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