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

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

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