YOU SAID:
they watched the dancing piglets with panda bear tummies in the swimming pool.
INTO JAPANESE
彼らは、パンダのおなかを抱えた子豚がプールで踊るのを眺めました。
BACK INTO ENGLISH
They watched a piglet dance in the pool with a panda's belly.
INTO JAPANESE
彼らは子豚がパンダのお腹を抱えてプールで踊るのを見ました。
BACK INTO ENGLISH
They saw a piglet holding a panda's belly and dancing in the pool.
INTO JAPANESE
彼らは子豚がパンダのお腹を抱えてプールで踊っているのを見ました。
BACK INTO ENGLISH
They saw a piglet holding a panda's belly and dancing in the pool.
That didn't even make that much sense in English.