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

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

*GRAMMAR*
zup -> BLUE 
 tufa -> RED 
 kiki -> YELLOW 
 wif -> GREEN 
 x1 blicket u1 -> [x1] [u1] 
 x1 dax x2 -> [x2] [x1] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 