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

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

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