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

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

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