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

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

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