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

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

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