Please translate these Japanese sentences, i'm a lil confused.?

Question:

-せんせいにおしえます
-がくせいにおしえます

-せんせいにならいます
-がくせいにならいます

Answer:

- Teach to (a/the) teacher(s).
- Teach to (a/the) student(s).
- Learn from (a/the) teacher(s).
- Learn from (a/the) student(s).