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

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

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