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

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

*GRAMMAR*
fep -> GREEN 
 kiki -> PURPLE 
 zup -> YELLOW 
 lug -> RED 
 x1 gazzer -> [x1] [x1] [x1] [x1] 
 x1 tufa x2 -> [x2] [x1] 
 u1 wif -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 