*SUPPORT*
IN: lug OUT: YELLOW
IN: fep OUT: GREEN
IN: lug tufa OUT: YELLOW YELLOW YELLOW
IN: lug kiki fep OUT: YELLOW GREEN GREEN YELLOW YELLOW
IN: wif lug OUT: BLUE YELLOW
IN: fep fep kiki wif OUT: GREEN GREEN BLUE BLUE GREEN GREEN
IN: wif kiki wif OUT: BLUE BLUE BLUE BLUE BLUE
IN: lug fep kiki fep OUT: YELLOW GREEN GREEN GREEN GREEN GREEN
IN: wif OUT: BLUE
IN: wif kiki blicket OUT: BLUE RED RED BLUE BLUE
IN: fep zup OUT: GREEN GREEN
IN: blicket blicket blicket OUT: RED RED RED
IN: wif lug kiki blicket OUT: BLUE YELLOW RED RED YELLOW YELLOW
IN: wif zup tufa OUT: BLUE BLUE BLUE BLUE BLUE BLUE

*QUERY*
IN: lug fep OUT: YELLOW GREEN
IN: blicket OUT: RED
IN: fep zup tufa OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: wif zup OUT: BLUE BLUE
IN: lug kiki wif OUT: YELLOW BLUE BLUE YELLOW YELLOW
IN: lug fep lug lug OUT: YELLOW GREEN YELLOW YELLOW
IN: fep kiki lug OUT: GREEN YELLOW YELLOW GREEN GREEN
IN: blicket kiki blicket OUT: RED RED RED RED RED
IN: lug kiki lug OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: wif kiki fep OUT: BLUE GREEN GREEN BLUE BLUE

*GRAMMAR*
blicket -> RED 
 fep -> GREEN 
 wif -> BLUE 
 lug -> YELLOW 
 x1 tufa -> [x1] [x1] [x1] 
 u1 kiki u2 -> [u1] [u2] [u2] [u1] [u1] 
 x1 zup -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 