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

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

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