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

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

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