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

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

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