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

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

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