my $sentence = 'The DOC4 protein , stress-induced flibbled the woozle in the presence of gonadotrophin alpha 2 subunit';

__DATA__
gonadotrophin
gonadotrophin alpha 2 subunit
Doc4 protein , stress-induced

##</code><code>##

The **DOC4 protein , stress-induced** flibbled the woozle in the presence of **gonadotrophin alpha 2 subunit**