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

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

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