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

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

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