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

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

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