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

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

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