YOU SAID:

now a cowboy needs a hat needs a hat needs a hat

INTO JAPANESE

今、カウボーイは帽子が必要な帽子が必要です帽子が必要です

BACK INTO ENGLISH

Now the cowboy needs a hat that needs a hat

INTO JAPANESE

今、カウボーイは帽子を必要とする帽子を必要とします

BACK INTO ENGLISH

Now cowboys need hats that need hats

INTO JAPANESE

今、カウボーイは帽子を必要とする帽子が必要です

BACK INTO ENGLISH

Now cowboys need hats that need hats