always 1.0 always 0.5 always 0.5 always 0.8 always 0.5 always 0.5 always 0.5 always 0.5 always 0.8 always 0.8 always 0.8 always 0.8 always 0.8 always 0.5 always 0.5 always 0.5 always 0.5 always 0.5 always 0.5 always 0.5 always 0.5 always 0.5 always 0.8 always 0.5 always 0.5