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

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

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