prompt: Q: How much is 88 minus 38? A: 
random_counterfactual.prompt: Q: How much is 50 minus 35? A: 
ones_op1_counterfactual.prompt: Q: How much is 89 minus 38? A: 
ones_op2_counterfactual.prompt: Q: How much is 88 minus 37? A: 
tens_op1_counterfactual.prompt: Q: How much is 68 minus 38? A: 
tens_op2_counterfactual.prompt: Q: How much is 88 minus 48? A: 
ones_carry_counterfactual.prompt: Q: How much is 83 minus 39? A: 
tens_carry_counterfactual.prompt: Q: How much is 88 minus 38? A: 