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

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

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