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

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

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