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

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

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