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

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

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