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

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

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