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

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

*GRAMMAR*
tufa -> PURPLE 
 blicket -> GREEN 
 dax -> YELLOW 
 lug -> RED 
 u1 fep u2 -> [u1] [u2] [u1] 
 u1 zup -> [u1] [u1] 
 x1 wif x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 