prompt: Q: How much is 91 minus 48? A: 
random_counterfactual.prompt: Q: How much is 80 minus 70? A: 
ones_op1_counterfactual.prompt: Q: How much is 99 minus 48? A: 
ones_op2_counterfactual.prompt: Q: How much is 91 minus 40? A: 
tens_op1_counterfactual.prompt: Q: How much is 51 minus 48? A: 
tens_op2_counterfactual.prompt: Q: How much is 91 minus 58? A: 
ones_carry_counterfactual.prompt: Q: How much is 97 minus 44? A: 
tens_carry_counterfactual.prompt: Q: How much is 91 minus 48? A: 