Problem : 
Is the following sentence a statement?
The car drove up the hill.
Yes.
 
Problem : 
Is the following sentence a statement?
What time is it?
No, this sentence is an interrogative sentence.  It declares nothing, nor can it 
be classified as true or false.
 
Problem : 
Is the following sentence a statement?
If music is played too loud, it will damage a person's ears.
Yes.
 
Problem : 
Is the following sentence a statement?
The water is colored red.
Yes.
 
Problem : 
Is the following sentence a statement?
He is lazy.
No.  The identity of the subject in unknown.  A truth value cannot be assigned.