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

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

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