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

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

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