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

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

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