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

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

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