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

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

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