*SUPPORT*
IN: kiki zup blicket gazzer OUT: GREEN PINK BLUE
IN: tufa blicket zup OUT: RED PINK
IN: gazzer blicket zup OUT: BLUE PINK
IN: zup blicket kiki OUT: PINK GREEN
IN: tufa blicket gazzer OUT: RED BLUE
IN: tufa OUT: RED
IN: zup blicket gazzer OUT: PINK BLUE
IN: tufa dax zup blicket kiki OUT: PINK GREEN PINK GREEN RED
IN: gazzer OUT: BLUE
IN: zup kiki tufa dax zup OUT: PINK GREEN PINK PINK RED
IN: kiki OUT: GREEN
IN: zup OUT: PINK
IN: kiki blicket zup OUT: GREEN PINK
IN: gazzer fep OUT: BLUE BLUE

*QUERY*
IN: gazzer blicket gazzer OUT: BLUE BLUE
IN: kiki kiki fep OUT: GREEN GREEN GREEN GREEN
IN: tufa tufa OUT: RED RED
IN: tufa fep OUT: RED RED
IN: gazzer kiki fep OUT: BLUE GREEN BLUE GREEN
IN: gazzer blicket kiki OUT: BLUE GREEN
IN: tufa dax kiki fep OUT: GREEN GREEN GREEN GREEN RED
IN: zup blicket zup OUT: PINK PINK
IN: kiki blicket kiki OUT: GREEN GREEN
IN: tufa blicket kiki OUT: RED GREEN

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