*SUPPORT*
IN: lug fep tufa OUT: RED RED PURPLE PURPLE
IN: tufa fep tufa OUT: RED RED RED RED
IN: lug tufa gazzer kiki OUT: PURPLE RED PINK PURPLE RED PINK
IN: tufa zup lug OUT: RED PURPLE
IN: lug zup dax OUT: PURPLE GREEN
IN: gazzer zup tufa OUT: PINK RED
IN: lug fep tufa kiki OUT: RED RED PURPLE PURPLE RED RED PURPLE PURPLE
IN: tufa zup gazzer OUT: RED PINK
IN: dax OUT: GREEN
IN: dax fep gazzer kiki OUT: PINK PINK GREEN GREEN PINK PINK GREEN GREEN
IN: dax tufa tufa dax kiki OUT: GREEN RED RED GREEN GREEN RED RED GREEN
IN: tufa fep gazzer OUT: PINK PINK RED RED
IN: dax zup dax kiki OUT: GREEN GREEN GREEN GREEN
IN: gazzer fep dax OUT: GREEN GREEN PINK PINK

*QUERY*
IN: gazzer zup dax OUT: PINK GREEN
IN: tufa OUT: RED
IN: dax gazzer tufa zup lug OUT: GREEN PINK RED PURPLE
IN: dax fep dax OUT: GREEN GREEN GREEN GREEN
IN: lug gazzer fep lug OUT: PURPLE PURPLE PURPLE PINK PINK
IN: tufa tufa fep gazzer OUT: RED PINK PINK RED RED
IN: tufa zup gazzer kiki OUT: RED PINK RED PINK
IN: tufa gazzer zup lug OUT: RED PINK PURPLE
IN: tufa zup tufa OUT: RED RED
IN: lug zup tufa OUT: PURPLE RED

*GRAMMAR*
tufa -> RED 
 dax -> GREEN 
 lug -> PURPLE 
 gazzer -> PINK 
 u1 fep u2 -> [u2] [u2] [u1] [u1] 
 u1 zup u2 -> [u1] [u2] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 