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

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

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