prompt: Q: How much is 91 minus 65? A: 
random_counterfactual.prompt: Q: How much is 50 minus 19? A: 
ones_op1_counterfactual.prompt: Q: How much is 98 minus 65? A: 
ones_op2_counterfactual.prompt: Q: How much is 91 minus 60? A: 
tens_op1_counterfactual.prompt: Q: How much is 71 minus 65? A: 
tens_op2_counterfactual.prompt: Q: How much is 91 minus 15? A: 
ones_carry_counterfactual.prompt: Q: How much is 96 minus 60? A: 
tens_carry_counterfactual.prompt: Q: How much is 91 minus 65? A: 