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

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

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