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

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

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