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

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

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