*SUPPORT*
IN: wif OUT: BLUE
IN: gazzer fep OUT: GREEN GREEN
IN: blicket fep OUT: PURPLE PURPLE
IN: tufa lug wif OUT: YELLOW BLUE
IN: blicket fep zup gazzer OUT: GREEN PURPLE PURPLE
IN: tufa wif fep zup gazzer OUT: GREEN YELLOW BLUE BLUE
IN: gazzer wif OUT: GREEN BLUE
IN: wif lug wif OUT: BLUE BLUE
IN: blicket OUT: PURPLE
IN: wif lug gazzer gazzer OUT: BLUE GREEN GREEN
IN: tufa blicket OUT: YELLOW PURPLE
IN: tufa OUT: YELLOW
IN: wif fep OUT: BLUE BLUE
IN: wif tufa fep lug blicket OUT: BLUE YELLOW YELLOW PURPLE

*QUERY*
IN: tufa fep OUT: YELLOW YELLOW
IN: gazzer tufa OUT: GREEN YELLOW
IN: gazzer fep lug wif zup gazzer lug blicket OUT: GREEN GREEN GREEN BLUE PURPLE
IN: blicket gazzer fep OUT: PURPLE GREEN GREEN
IN: gazzer fep zup wif OUT: BLUE GREEN GREEN
IN: gazzer gazzer zup wif OUT: BLUE GREEN GREEN
IN: tufa zup tufa OUT: YELLOW YELLOW
IN: blicket blicket wif zup blicket OUT: PURPLE PURPLE PURPLE BLUE
IN: blicket gazzer OUT: PURPLE GREEN
IN: tufa blicket blicket fep OUT: YELLOW PURPLE PURPLE PURPLE

*GRAMMAR*
blicket -> PURPLE 
 gazzer -> GREEN 
 wif -> BLUE 
 tufa -> YELLOW 
 x1 lug x2 -> [x1] [x2] 
 x1 zup u1 -> [u1] [x1] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 