Please help with those Machine Learning questions in detail, Thank you so much!

3. Consider a learning task where the training data refers to MRI scans of tumors and is defined using 6 discrete attributes Color (takes 3 values: pink, red, dark red) Size (takes 4 values: tiny, moderate, large, huge) Surface (takes 2 values: smooth, irregular) Shape (takes 4 values: slender, oval, circular, random) Location (takes 3 values: periphery, center, tissue) Thickness (takes 2 values: thin, thick). The target class denotes the type of tumor and can be either benign or malignant Which of the following statements are correct? O a) Total number of possible concepts are under a billion. b) The number of conjunctive concepts are 730 c) The number of conjunctive concepts are 729 Od) The number of conjunctive concepts are 3601