Identify the relationship between the two entities in this sentence.
Alexander teaches Spanish.
The relationship between the two entities, Alexander and Spanish, in this sentence is that Alexander is a teacher and Spanish is the subject that he teaches.
Complete the following task based on the instruction and optional input provided.### Instruction:
Identify the relationship between the two entities in this sentence.

### Input:
Alexander teaches Spanish.

### Output:
The relationship between the two entities, Alexander and Spanish, in this sentence is that Alexander is a teacher and Spanish is the subject that he teaches.