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

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

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