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

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

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