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

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

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