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

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

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