Anchor: contractor for expenses so long as the contractorReimbursement provides its best effort to complete the work called Contract for.
Entailed: The contractor must put forth its best effort to get reimbursed.
Contradiction: The contractor will not be reimbursed for expenses.
Contradiction: I have two babies and no other children for whom I pay all the medical expenses.
Contradiction: The train began its trip after Fenner gave a signal again.
Contradiction: The dispute was not with a friend. 
Contradiction: There are animals near the man.