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

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

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