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

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

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