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

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

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