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

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

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