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

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

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