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

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

*GRAMMAR*
wif -> GREEN 
 dax -> PURPLE 
 tufa -> RED 
 zup -> YELLOW 
 x1 fep x2 -> [x2] [x1] 
 x1 blicket -> [x1] [x1] 
 u1 gazzer -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 