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

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

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