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

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

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