prompt: Q: How much is 45 minus 20? A: 
random_counterfactual.prompt: Q: How much is 97 minus 77? A: 
ones_op1_counterfactual.prompt: Q: How much is 47 minus 20? A: 
ones_op2_counterfactual.prompt: Q: How much is 45 minus 22? A: 
tens_op1_counterfactual.prompt: Q: How much is 95 minus 20? A: 
tens_op2_counterfactual.prompt: Q: How much is 45 minus 30? A: 
ones_carry_counterfactual.prompt: Q: How much is 53 minus 28? A: 
tens_carry_counterfactual.prompt: Q: How much is 45 minus 20? A: 