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

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

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