| Membership function | Recall | Recall (%) |
| Triangular (trimf) | 0.9953 | 99.53 |
| Gaussian (gaussmf) | 1.0000 | 100.00 |
| Trapezoidal (trapmf) | 0.9953 | 99.53 |
| Gaussian combination (gauss2mf) | 0.9953 | 99.53 |