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

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

*GRAMMAR*
wif -> GREEN 
 fep -> RED 
 zup -> YELLOW 
 gazzer -> PINK 
 x1 kiki -> [x1] [x1] [x1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 tufa u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 