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

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

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