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

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

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