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

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

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