#foreplay__arousal__stimulation  mutual sexual stimulation prior to sexual intercourse
  supertype:  sexual_activity__sexual_practice__sex__sex_activity__sexactivity  activities associated with sexual intercourse; "they had sex in the back seat"
  subtype:  caressing__cuddling__fondling__hugging__kissing__necking__petting__smooching__snuggling  affectionate play (or foreplay without contact with the genital organs)
     subtype:  snogging  (British informal) cuddle and kiss
  subtype:  feel.foreplay  manual-genital stimulation for sexual pleasure; "the girls hated it when he tried to sneak a feel"

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