prompt: Q: How much is 77 minus 50? A: 
random_counterfactual.prompt: Q: How much is 74 minus 46? A: 
ones_op1_counterfactual.prompt: Q: How much is 73 minus 50? A: 
ones_op2_counterfactual.prompt: Q: How much is 77 minus 52? A: 
tens_op1_counterfactual.prompt: Q: How much is 97 minus 50? A: 
tens_op2_counterfactual.prompt: Q: How much is 77 minus 50? A: 
ones_carry_counterfactual.prompt: Q: How much is 84 minus 57? A: 
tens_carry_counterfactual.prompt: Q: How much is 77 minus 50? A: 