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

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

*GRAMMAR*
lug -> PINK 
 fep -> GREEN 
 zup -> PURPLE 
 wif -> BLUE 
 x1 gazzer x2 -> [x2] [x1] 
 u1 dax -> [u1] [u1] 
 u1 tufa u2 -> [u2] [u1] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 