Part 2 (1 point each). Multiple Choice. For each of the following strings of symbols, write in the corresponding space: A if the string of symbols is not a WFF in SL; B if the string of symbols is WFF in SL, but it is ambiguous (assuming parentheses dropping conventions); and "C" if the string of symbols is a WFF that is unambiguous (given parentheses dropping conventions). 1. P-~(Qv(C&s)) 2. (PR)&-5 3.((FG)(TVW&Z)) 4. T&P+-(GVS) 5. (RAS&TWV)--D4Rv-K