Syllogism

1. Statement : 
No toy is a doll. 
All guns are boys.
All houses are dolls. 
All dolls are baskets. 
Conclusions: 
1) All baskets are toys.
2) No gun is a house. 
3) All guns being baskets is a possibility. 
4) All houses are baskets. 
5) No doll is a gun.

2. Statement :
Some logics are reasons. 
All reasons are arguments. 
All arguments are fights.
No fight is a discussion. 
Conclusion: 
1) All discussions being logic is a possibility. 
2) No discussions is an argument. 
3) All logics being discussion is a possibility. 
4) All reasons are fights. 
5) No reason is a discussion.

3. Statement :
All references are mails. 
All mentions are references. 
All comments are mentions. 
No mail is a declaration. 
Conclusion:
1) No reference is a declaration.
2) All comments are mails. 
3) No mention is a declaration. 
4) All declarations being comments is a possibility. 
5) At least some mails are mentions.

4.Statements: Some logics are reasons.
All reasons are arguments.
All arguments are fights.
No fight is a discussion.
Conclusions:
I. All discussions being logic is a possibility.
II. No discussion is an argument.
III. All logics being discussion is a possibility.
IV. All reasons are fights.
Answers
1. 3 and 4
2.1,2,4 and 5
3.1,2,3 and 5
4. 1,2, and 4