Many or one?

Many or one?

B:
D: Make progress on many items.
A:
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C:
D': Make significant progress on one item.

In order to I must and in order to I must Make progress on many items.. But, in order to I must also and in order to I must Make significant progress on one item.. I can't both Make progress on many items. and Make significant progress on one item..

RelationAssumption(s)Injection(s)