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

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

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