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

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

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