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

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

*GRAMMAR*
dax -> RED 
 tufa -> GREEN 
 gazzer -> YELLOW 
 wif -> PURPLE 
 x1 zup u1 -> [x1] [u1] [x1] 
 u1 lug u2 -> [u1] [u2] [u1] 
 x1 blicket x2 -> [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 