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Read the given statements and conclusions carefully. You have to take the given statements to be true even if they seem to be at variance from commonly known facts and decide which conclusion(s) logically follow(s) from the given statements. Statements: Some trees are flowers. All flowers are leaves. Conclusions: (I) All leaves are trees. (II) All flowers are trees.
Neither conclusion (I) nor (II) follows.
Only conclusion (II) follows.
Only conclusion (I) follows.
Both conclusions (I) and (II) follow.
Neither conclusion (I) nor (II) follows.
Evaluate conclusions using Venn diagrams and rules of Syllogism
Combine Premises
тАв Some trees are flowers (I-type): trees overlap partially with flowers. тАв All flowers are leaves (A-type): flowers circle is entirely inside leaves circle.
Derive Certain Relationship
Since some trees are flowers and all flowers are leaves, it guarantees only that 'Some trees are leaves' and 'Some leaves are trees'.
Evaluate Conclusions
тАв Conclusion (I) 'All leaves are trees': false; we only know 'some' leaves are trees. тАв Conclusion (II) 'All flowers are trees': false; we only know 'some' flowers are trees.
Neitherconclusion(I)nor(II)follows.
Neither conclusion (I) nor (II) follows.