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

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

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