Text: If it is known, however, that other contributions in a significant amount were made, that fact (for example, expressed as a percentage of the total program) shall be reported even if the exact amount of the contribution is not known.
Entailment: If we know that other contributions were made, we should report them.
Contradiction: If we know that other contributions were made, we don't have to report them, as long as we don't have concrete numbers.