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

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

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