*SUPPORT*
IN: lug fep lug OUT: BLUE BLUE
IN: gazzer kiki wif kiki lug kiki gazzer tufa OUT: PINK PINK PURPLE PURPLE BLUE BLUE PINK PINK
IN: lug gazzer fep dax fep wif OUT: PURPLE GREEN BLUE PINK
IN: wif fep lug OUT: BLUE PURPLE
IN: lug OUT: BLUE
IN: wif lug lug OUT: PURPLE BLUE BLUE
IN: dax kiki wif kiki wif kiki wif OUT: GREEN GREEN PURPLE PURPLE PURPLE PURPLE PURPLE
IN: lug fep wif tufa fep wif OUT: PURPLE PURPLE BLUE PURPLE BLUE
IN: dax fep wif OUT: PURPLE GREEN
IN: lug tufa OUT: BLUE BLUE
IN: lug kiki dax fep wif tufa fep lug OUT: BLUE BLUE BLUE PURPLE GREEN PURPLE GREEN
IN: lug kiki wif kiki gazzer OUT: BLUE BLUE PURPLE PURPLE PINK
IN: wif OUT: PURPLE
IN: lug fep gazzer OUT: PINK BLUE

*QUERY*
IN: gazzer OUT: PINK
IN: wif kiki gazzer tufa fep lug fep wif OUT: PURPLE BLUE PURPLE PURPLE PINK PINK
IN: dax wif gazzer OUT: GREEN PURPLE PINK
IN: wif kiki dax fep gazzer fep gazzer OUT: PINK PINK PURPLE PURPLE GREEN
IN: dax OUT: GREEN
IN: lug kiki lug OUT: BLUE BLUE BLUE
IN: lug kiki dax fep wif fep gazzer tufa OUT: BLUE BLUE PINK PURPLE GREEN PINK PURPLE GREEN
IN: wif wif dax OUT: PURPLE PURPLE GREEN
IN: gazzer wif fep lug OUT: BLUE PINK PURPLE
IN: wif kiki wif OUT: PURPLE PURPLE PURPLE

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