Rock, Paper, Scissors, Lizard, Spock
APL

vs←{
    n←'Scissors' 'Paper' 'Rock' 'Lizard' 'Spock'
    x←n⍳⊂⍺ ⋄ y←n⍳⊂⍵ ⋄ X←⍺ ⋄ Y←⍵ ⋄ r←{X,⍵,⊂Y}
    x=y:     r (-x=0)↓'ties'
    y=5|1+x: r x⌷'cut' 'covers' 'crushes' 'poisons' 'smashes'
    y=5|3+x: r x⌷'decapitate' 'disproves' 'breaks' 'eats' 'vaporizes'
    ⍵∇⍺
}


Output exactly as required in all cases, including tie/ties. No lookup table, except for the actual words.

You can try it on http://ngn.github.io/apl/web/

'Spock' vs 'Paper'
Paper  disproves  Spock


APL just knows!