<?php

$variation = false;
for($i = 1; $i < 11; $i++) {
    if(is_page(ot_get_option('town_' . $i))) {
        $variation = ot_get_option('town' . $i . '_variation');
    }
}


if($variation) {
    if($variation === 'tv_1') {
        echo
        '<p>'
            echo
            "Content for text variation 1.";
        echo
        '</p>';
    } elseif($variation === 'tv_2') {
        echo
        '<p>'
            echo
            "Content for text variation 2.";
        echo
        '</p>';
    } else {
        echo
        '<p>'
            echo
            "Content for text variation 3.";
        echo
        '</p>';
    }

}

?>