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

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

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