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

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

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