| explicit | modifier | At least one word in the generated text must be dedicated to any predicate marked as explicit. |
| first-person | person | An entity satisfies first-person to the extent that it is the person speaking or writing. |
| implicit | modifier | Predicates marked as implicit are provided for disambiguation and need not be explicitly represented in the generated test. |
| inside | static-spatial | An entity satisfies (inside $x) to the extent to which it is spatially located inside $x. |
| metaphorical | ontological | An entity satisfies (metaphorical $x) to the extent that it satisfies $x in a metaphorical sense. |
| not | logical | An entity satisfies (not $x) to the extent that it does not satisfy $x. |
| or | logical | An entity satisfies ((or $x) $y) to the extent that it satisfies $x or $y. |
| outside | static-spatial | An entity satisfies (outside $x) to the extent that it is spatially located outside $x. |
| second-person | person | An entity satisfies first-person to the extent that it is the person being addressed. |
| third-person | person | An entity satisfies third-person to the extent that it does not satisfy first-person or second-person. |