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

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

*GRAMMAR*
fep -> RED 
 tufa -> GREEN 
 kiki -> BLUE 
 wif -> YELLOW 
 u1 blicket u2 -> [u1] [u2] 
 x1 zup x2 -> [x1] [x2] [x1] [x1] [x1] 
 u1 dax x1 -> [x1] [u1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 