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

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

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