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

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

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