Rewrite the explanation as a response to reviewer's comment
Rewrite the explanation as a response to reviewer's comment

niboshi/chainer,okuta/chainer,pfnet/chainer,hvy/chainer,tkerola/chainer,chainer/chainer,keisuke-umezawa/chainer,hvy/chainer,keisuke-umezawa/chainer,niboshi/chainer,niboshi/chainer,wkentaro/chainer,chainer/chainer,keisuke-umezawa/chainer,chainer/chainer,niboshi/chainer,hvy/chainer,hvy/chainer,okuta/chainer,wkentaro/chainer,wkentaro/chainer,okuta/chainer,chainer/chainer,wkentaro/chainer,okuta/chainer,keisuke-umezawa/chainer