You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: main.rs
    path of file: ./repos/kani/tests/coverage/unreachable/if-statement
    
    the code of the file until where you have to start completion: // Copyright Kani Contributors
// SPDX-License-Identifier: Apache-2.0 OR MIT

fn check_number(num: i32) -> &'static str {
    if num > 0 {
        // The line is partially covered because the if statement is UNREACHABLE while the else statement is reachable
        if num % 2 == 0 { "Positive and E
    
fn check_number(num: i32) -> &'static str {
    if num > 0 {
        // The line is partially covered because the if statement is UNREACHABLE while the else statement is reachable
        if num % 2 == 0 { "Positive and Even" } else { "Positive and Odd" }
    } else if num < 0 {
        "Negative"
    } else {
        "Zero"
    }
}