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

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

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