Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to identify male and female guppies [title] Check for a slender or round body shape. [step] The body shape of male and female guppies is very different and distinctive. Male guppies usually have very slender, long bodies, while female guppies are usually a lot rounder and bigger than the males, sometimes twice as big as a male guppy.

Ending1: [title] Do some research on male guppies. [step] It's your job to make sure that you get the right one. Ending2: [substeps] If your female guppy is pregnant, her body may look boxy or stuffed and even lumpy. She may grow even rounder as she gets closer to birthing her young. Ending3: [substeps] Males reach six feet (2.4 m), while female guppies reach seven feet (2.4 m). Both men and female guppies tend to have pointed legs, such as their males'. Ending4: Sizing differences are fairly consistent between male and female guppies. [title] Look for a tough, wrinkled, and leathery appearance.

Answer format: ending1/ending2/ending3/ending4