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

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

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