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

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

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