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

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

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