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

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

*GRAMMAR*
dax -> PINK 
 gazzer -> RED 
 wif -> GREEN 
 fep -> PURPLE 
 x1 kiki x2 -> [x2] [x1] [x1] [x2] 
 x1 lug -> [x1] [x1] 
 u1 tufa u2 -> [u2] [u2] [u1] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 