*SUPPORT*
IN: dax wif dax OUT: YELLOW RED YELLOW
IN: fep gazzer kiki tufa gazzer OUT: GREEN GREEN PINK PINK
IN: tufa gazzer blicket OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: dax dax blicket OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: tufa gazzer kiki wif OUT: RED GREEN GREEN
IN: dax OUT: YELLOW
IN: fep gazzer OUT: PINK PINK
IN: tufa wif blicket OUT: GREEN RED GREEN RED GREEN RED
IN: tufa OUT: GREEN
IN: tufa gazzer kiki tufa dax kiki tufa gazzer OUT: GREEN GREEN GREEN YELLOW GREEN GREEN
IN: wif OUT: RED
IN: dax gazzer blicket kiki fep OUT: PINK YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: wif gazzer OUT: RED RED
IN: wif tufa blicket OUT: RED GREEN RED GREEN RED GREEN

*QUERY*
IN: wif gazzer blicket kiki wif gazzer OUT: RED RED RED RED RED RED RED RED
IN: tufa wif blicket kiki dax OUT: YELLOW GREEN RED GREEN RED GREEN RED
IN: dax gazzer OUT: YELLOW YELLOW
IN: tufa tufa dax gazzer OUT: GREEN GREEN YELLOW YELLOW
IN: tufa dax gazzer OUT: GREEN YELLOW YELLOW
IN: tufa gazzer OUT: GREEN GREEN
IN: tufa fep blicket OUT: GREEN PINK GREEN PINK GREEN PINK
IN: wif blicket kiki fep gazzer kiki tufa OUT: GREEN PINK PINK RED RED RED
IN: fep OUT: PINK
IN: dax dax OUT: YELLOW YELLOW

*GRAMMAR*
wif -> RED 
 tufa -> GREEN 
 dax -> YELLOW 
 fep -> PINK 
 u1 gazzer -> [u1] [u1] 
 x1 blicket -> [x1] [x1] [x1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 