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

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

*GRAMMAR*
wif -> GREEN 
 gazzer -> YELLOW 
 dax -> RED 
 kiki -> PURPLE 
 u1 fep u2 -> [u2] [u1] 
 x1 lug -> [x1] [x1] [x1] 
 x1 tufa -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 