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

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

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