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

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

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