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S 1 : Every TRC query is safe. S 2 : There can be more than one free variable in a condition of a TRC
S: Every TRC query is safe.
S: There can be more than one free variable in a condition of a TRC query.
Choose the correct option:
S: True; S: True
S: True; S: False
S: False; S: False
S: False; S: True
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