prompt: Q: How much is 42 minus 40? A: 
random_counterfactual.prompt: Q: How much is 24 minus 22? A: 
ones_op1_counterfactual.prompt: Q: How much is 43 minus 40? A: 
ones_op2_counterfactual.prompt: Q: How much is 42 minus 40? A: 
tens_op1_counterfactual.prompt: Q: How much is 92 minus 40? A: 
tens_op2_counterfactual.prompt: Q: How much is 42 minus 20? A: 
ones_carry_counterfactual.prompt: Q: How much is 51 minus 49? A: 
tens_carry_counterfactual.prompt: Q: How much is 42 minus 40? A: 