*SUPPORT*
IN: wif kiki fep OUT: RED RED PURPLE
IN: gazzer kiki wif OUT: PURPLE PURPLE GREEN
IN: blicket OUT: YELLOW
IN: wif gazzer wif kiki wif OUT: PURPLE GREEN PURPLE PURPLE PURPLE
IN: fep OUT: RED
IN: wif blicket kiki fep OUT: PURPLE RED RED YELLOW
IN: wif lug fep gazzer OUT: RED GREEN RED GREEN PURPLE PURPLE
IN: wif kiki wif OUT: PURPLE PURPLE PURPLE
IN: wif gazzer OUT: PURPLE GREEN
IN: gazzer kiki gazzer OUT: GREEN GREEN GREEN
IN: wif lug gazzer kiki fep OUT: RED RED GREEN RED RED GREEN PURPLE PURPLE
IN: wif wif lug wif OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: fep fep OUT: RED RED
IN: gazzer OUT: GREEN

*QUERY*
IN: fep kiki wif OUT: PURPLE PURPLE RED
IN: gazzer fep lug gazzer OUT: GREEN GREEN GREEN RED RED
IN: blicket lug wif OUT: PURPLE PURPLE YELLOW YELLOW
IN: blicket dax wif OUT: PURPLE PURPLE YELLOW
IN: wif gazzer dax gazzer dax blicket OUT: PURPLE YELLOW YELLOW GREEN YELLOW YELLOW GREEN GREEN
IN: wif dax gazzer OUT: GREEN GREEN PURPLE
IN: blicket fep blicket gazzer kiki blicket OUT: YELLOW RED YELLOW YELLOW YELLOW GREEN
IN: fep blicket dax blicket kiki wif OUT: RED PURPLE PURPLE YELLOW PURPLE PURPLE YELLOW YELLOW
IN: blicket kiki wif OUT: PURPLE PURPLE YELLOW
IN: blicket blicket OUT: YELLOW YELLOW

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