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

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

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