story: Benny and Boyle were headed to the ice cream shop. On the way there Benny fell and busted up his knee. Boyle helped him limp the rest of the way to the shop. After he was cleaned up Boyle bought him ice cream. Boyle was such a good friend!
 selected sentence: Boyle helped him limp the rest of the way to the shop.
Boyle helps Benny >Causes> Benny feel(s) grateful