If you have any questions, please contact Bob Cohen (202-789-6850) or Charles Robinson (202-789-6854).
Contact Bob Cohen or Charles Robinson if you have any doubts, but not if you have problems.
mnli hypothesis: Contact Bob Cohen or Charles Robinson if you have any doubts, but not if you have problems. premise: If you have any questions, please contact Bob Cohen (202-789-6850) or Charles Robinson (202-789-6854).