for their shells | 6 | purpose |
snail → need → calcium | 4 |
snail → derive → calcium | 3 |
snail → require → calcium | 3 |
negative | neutral | positive |
0.140 | 0.750 | 0.110 |
Raw frequency | 10 |
Normalized frequency | 0.384 |
Modifier score | 0.500 |
Perplexity | 161.576 |