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

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

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