Three statements followed by four conclusions are given. Determine which of the conclusions logically follow(s) from the given statements. Statements: I. Some dogs are rats. II. All rats are trees. III. Some trees are not dogs. Conclusions: I. Some trees are dogs. II. All dogs are trees. III. All rats are dogs. IV. No tree is dog.

Statements: M. Some pears are tomatoes N. No biscuits are pears Conclusions: X. Some tomatoes are not biscuits Y. Some tomatoes are pears

Statements: 1. No school is an institution, but they are establishments. 2. All establishments that are not institutions have buildings. Conclusions: I. Schools are not establishments. II. All schools have buildings. III. Schools do not have buildings.