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

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

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