Task: Text Categorization
Input (English): Some species in this group of animals have heat-sensitive pits in their heads, and most have only one working lung. The invasive brown tree type has caused many bird extinctions on Guam, and they use their tongues to gather scent molecules. Some kill prey by (*) constriction or use fangs to inject venom, and the largest ever to exist was the titanoboa. For 10 points, name these limbless reptiles that include the python and cobra.
Output (English): Science