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The following sentence is partially tagged with POS Tags, where "bear" can be either a VB (verb) or a NN (noun): Your/Which formulas can calculate the most probable tag sequence for "bear"?
1) P(bear|NN)* P(NN|VB)*P(VB|NN)
2) P(bear|VB)*P(VB|MD)*P(NN|VB)
3) P(will|MD)*P(bear|VB)* P(fruit|NN)
4) P(NN|NN)* P(NN|MD)*P(bear|NN)
5) P(bear|VB)*P(VB|NN)*P(VB|MD)
A. 2, 4
B. 1,5
C. 3, 5
D. 1,2
E. 4,5