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

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

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