Multi-choice problem: Choose from the options at the end, and answer how do you do this: How do you look up words in an Arabic dictionary?

Options:
(1). Identify the three stem letters of the word by removing suffixes and prefixes. Contact an Arabic professor by email and ask them whether you should use the stem of the word or the word itself in full to find the correct dictionary entry..
(2). Identify the three stem letters of the word by removing suffixes and prefixes. Look in the dictionary for that word stem; the word with suffixes and prefixes should be listed near the stem..
(2).