An object which repels a balloon (balloon E) which is repelled by a positively-charged balloon (balloon F).
(An object; repels; a balloon (balloon E) which is repelled by a positively-charged balloon (balloon F)) (a balloon; is repelled; by a positively-charged balloon)
An object a balloon
repels is repelled
a balloon (balloon E) which is repelled by a positively-charged balloon (balloon F)
by a positively-charged balloon