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

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

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