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

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

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