Question

Affirmative to Negative:
1. The old man was alone alive
2. Only the graduates apply
3. Every rose has a thorn
4. Every man hates a liar

Answer 1

Answer:

1. there was none alive except the old man.

2. it is unnecessary to apply who are not graduates.

3. it is impossible to think of a rose which has no thorn.

4. nobody loves a liar.

Answer 2

Answer:

1) There was none alive except the old man.

2) The non-graduates cannot apply.

3) A rose cannot be thronless.

4) Nobody hates a lier