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

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

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