probabilities = {"blue": 0.50, "gray": 0.25, "clear": 0.15, "dark": 0.10}
p = 0.70
kept, mass = [], 0.0
for token, probability in sorted(probabilities.items(), key=lambda x: -x[1]):
    kept.append((token, probability))
    mass += probability
    if mass >= p:
        break
print("Greedy:", max(probabilities, key=probabilities.get))
print("Top-p:", [(t, round(v/mass, 3)) for t, v in kept])