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

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

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