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

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

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