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

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

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