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

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

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