On a shelf are placed six volumes side-by-side labelled A, B, C, D, E and F, B, C, E, F have green covers while others have yellow covers. A, D, B are new volumes while the rest are old volumes. A, C B are law reports while the rest are medical extracts. Which two volumes are old medical extracts and have green covers?
Green cover | Yellow Cover | New Volume | Old Volume | Law Reports | Medical Extracts | |
A | ✓ | ✓ | ✓ | |||
B | ✓ | ✓ | ✓ | |||
C | ✓ | ✓ | ✓ | |||
D | ✓ | ✓ | ✓ | |||
E | ✓ | ✓ | ✓ | |||
F | ✓ | ✓ | ✓ |