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

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

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