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

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

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