sentence2_structure: The end of a pine tree branch<>bears<>the male cones that produce pollen$$$the male cones<>produce<>pollen
sentence1: They fall off after pollen is dispersed, leaving the ovate (female) cones to develop into familiar seed bearing pine cones.
sentence2: The end of a pine tree branch bears the male cones that produce pollen.
question: The end of a pine tree branch bears the male cones that produce what?