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

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

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