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

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

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