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

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

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