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

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

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