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

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

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